Education

How many kilometers are in a mile? Even 250-300 years ago, this question would have puzzled not only an experienced traveler, but also a scientist. What mile? And what is a kilometer?

The word "mile" comes from the Roman milia passum, meaning a thousand steps. The Romans so designated the distance of a thousand double steps of a legionnaire. People have always had the need to measure the length, and not only of roads, but also of individual objects. Distance was tied to the flight of the arrow, to the day's journey, and even to pipes - that is, while you are walking, you will smoke a certain number of pipes.

Particularly popular were the names of length measures associated with the names of body parts. This, for example, is an elbow - 0.5 meters, a span - about 20 cm, a foot - about 30 cm. The latter is translated from English as “step, leg”. Obviously, such a system is quite inconvenient. After all, all people’s legs, arms, and steps are of different lengths.

By the end of the nineteenth century, there were over forty different miles for measuring distance on land in Europe. The answer to the question of how many kilometers are in a mile varied greatly, even among neighboring countries.

The Roman mile, according to various sources, was 1483 or 1598 meters. Neighboring England and Scotland had different miles. The English mile was shorter, it had 1609 meters, the Scottish one - 1808 m. The German mile was significantly longer - 7420 meters. The situation was similar in Russia. Here, the mile was rarely used as a land measure of length; it was mainly used to solve metric problems. The Russian mile consisted of seven versts, and it had 7468 meters.

But all length records were broken by miles from Scandinavian countries. The Swedish mile had a length of 10,688 m, and the Norwegian mile could lay claim to the title of the longest - it had 11,298 m.

Naturally, this situation did not suit many people. And in 1875 in Paris, XVII countries signed the metric convention, which was later joined by other states. Meters, kilometers, kilograms came into use. Nowadays, all economically developed countries adhere to the decimal metric system. Currently, answer the question: “How many kilometers are in 1 mile?” much easier, despite the fact that miles have fallen out of use. The inverse problem is also easy to solve. Let's say we read that the objects were separated by 1 mile. How many kilometers will the traveler have to walk? There is an exact answer. How many kilometers are in a mile is now known absolutely exactly. The land mile is 1,608 km, and the sea mile is 1,853 km.

With the nautical mile, everything was initially somewhat simpler. After all, in the sea you cannot measure distance with steps. To answer the question of how many kilometers are in a mile, sailors had to rely on astronomical calculations. A nautical mile was conventionally equal to one minute of latitude, or 1853 meters, that is, if a ship sails one nautical mile along the meridian, its location will change by exactly one minute of geographic latitude.

True, there is a small catch here. Our Earth is not exactly a sphere; it is flattened at the poles. And it turns out that at the equator the distance separating one minute of latitude from another is a little greater. Therefore, there is another unit of distance measurement - the equatorial nautical mile. It is 1855 meters.

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In order to find out how many kilometers there are in a mile, you need to use a simple online calculator. Enter in the left field the number of miles you want to convert. In the field on the right you will see the result of the calculation.

If you need to convert miles or kilometers to other units of measurement, simply click on the appropriate link.

What is "mile"

In Latin, a mile is mille passuum, which translated means 1,000 double steps of Roman soldiers in full armor on the march.

This unit was originally used to measure paths in Ancient Rome. Before the introduction of the metric system, the mile was in use everywhere, and in countries with a non-metric system of measures it is still used. The Egyptian mile is equal to 0.58 km, the Old Norse mile is 11.3 km, and in total there were 46 units of measurement with this name in Europe.

The statutory or British (American) mile is equal to 1,609 meters, 5,280 feet or 1,760 yards.

The range of mile values ​​is enormous: French land mile = 4,444.4 m, nautical mile = 1,852 m, geographical or German = 7,420 m, Old Russian = 7,467.6 m, Swedish = 10 km, Scottish 1,809-1,814 m .

What is a "kilometer"

Kilometer (km, km) is a multiple of the meter standard unit for measuring distance, widely used throughout the world.

One kilometer is 1,000 meters, 0.621 miles, 0.9374 versts, 1,094 yards, 3,281 feet, 1.057 x 10 − 13 light years, 6.67 x 10 − 9 astronomical units.

Quick answer: 1 mile is 1.609 km.

And did you know that the kilometer is a distance measurement introduced in ancient Rome?

In fact, even its Latin name clearly states: “mille chume” - a thousand double steps of Roman soldiers in full uniform.

Today, of course, the Roman length measurement is not used. Although we are talking about a mile, it means a British or American mile, which is 1609 meters long in the metric system.

At the same time, there are many other miles that you also need to know about:

• French Sea: 5555.5 m.

• French House. Phone: 4444.4 m.

• Old Russian miles: 7467.6 m.

• Scottish mile: no longer applicable, in the 19th century its length may vary depending on the region.

What is more kilometers or kilometers?

task:

Find out more about miles or miles?

solution:

In accordance with the international system of measures and the weight of 1 kilometer is 1.609 kilometers.

That's why it's more than a mile.

Answer:

A mile is 1609 times more than a kilometer.

Decision theory:

Mathematics is the science that deals with the logic of form and quantity.

Physics is the science that deals with the structure of matter and the interactions between fundamental components.

Mechanics is a field of science that deals with the behavior of physical bodies.

Ask us a technical, physical or mathematical question of any complexity directly by phone or email.

The answer will be ready within 24 hours. Here is a technical search engine (questions and answers).

This page provides a detailed answer to the question of what is a few kilometers or kilometers away (kilometer or kilometre).

Back in the days of the ancient Romans, one land mile was equal to 1000 steps. Later a specific figure was established - 1609 meters. The length of the nautical mile was 1852 meters. Where did this come from?

A little history...

In order to measure the speed of a ship, it was inconvenient for sailors to use land miles. Especially, there were unjustified risks during emergency work. The lives of sailors were in great danger from the raging elements during the storm. Under such conditions it was not possible to use land measurements.

Therefore, we found a more suitable option. They took a heavy log and threw it overboard. Then they counted how many knots would pass through the sailor’s hands in a certain period of time before the rope was tensioned.

The distance between nodes and the time period were determined empirically. There are different versions about the exact definition. One of them was when the distance between nodes averaged 15 meters. It took 30 seconds.

It was practical and rational. Time was measured by an hourglass. All that remained was to count the knots and look at the sand. Even an illiterate sailor could complete the task.

We summed up these studies and found out. The length from one knot to another until the rope is tensioned is 15 meters and takes 30 seconds. Using simple arithmetic, we calculated the average speed of the ship. Thus, one nautical mile was 1852 meters in one hour.

Further events

With the development of navigation, even greater convenience was introduced. One nautical mile became equal to one minute along the meridian. 1 degree equals 60 minutes. This will be 60 nautical miles. The nautical mile has become convenient for calculating navigation problems.

Therefore, the navigators began to measure the distance with a compass. By applying it to the scale, they found out the distance in nautical miles. For example, to find out a distance of 30 miles, a compass of 30 arc minutes on any meridian plotted on the map is enough.

Now, of course, all equipment is computerized. There is no need to use outdated methods, but the nautical mile as a unit of distance has remained unchanged and is 1852 meters. It is called navigational or geographic.

The knot is used in shipping as the basic unit of speed. Nautical miles and knots are the same understandable and familiar measurements at sea as kilometers and meters on land.

Sources:

• Units. What is the SI system?
• Why are nautical miles different from land miles, but sea and land kilometers are the same?
• Why is a nautical mile different from a land mile?
• What is a nautical mile and what is a knot equal to?

Speed ​​on land is measured in a unit of time taken to travel one kilometer - kilometers per hour. On water, speed is measured in knots - special units characteristic only for navigation.

According to encyclopedic dictionaries, a knot is a measure of length equal to 1 nautical or 1852 meters. Thus, a ship traveling at a speed of one mile per hour or 1 knot per hour covers a distance of one kilometer and 852 meters in an hour. What is the reason for such, at first glance, strange features of taking measurements in shipping and?

Birth of a node

What does nautical mile mean?

A nautical mile is approximately two kilometers, or more precisely, 1852 meters. The Great Soviet Encyclopedia mentions that this value was approved in 1929 at the International Hydrographic Conference. It is considered correct in the CIS countries and a number of other countries, although it is not included in the list of the international system of units.

Where does the meaning come from? It is known that a distance of 1853 meters is the approximate linear length of one minute of latitude, that is, 1/60 of the arc of the meridian. It is worth noting that this meridian length corresponds only to the middle latitudes of the globe. Let's add that a nautical mile contains 10 cables.

The meaning of a nautical mile was slightly different in Great Britain, where until 1929 it was generally accepted that it was 1853 meters. This was due to the convenience of converting an ordinary mile into a sea mile. In this case, it was enough to add the number 800 to the mile to get a nautical mile in feet.

What does a sea knot mean?

The maritime node displays a certain speed of the vessel. A ship that traveled one nautical mile per hour made one sea knot. The number of nautical miles a ship travels in one hour is equal to the number of knots. Moreover, it is not customary to talk about the speed of a vessel as the number of knots per hour. If it is stated that a ship makes twelve knots, it means that it covers the same number of miles in sixty minutes.

Why did the sea knot get such a name? It turns out that this concept is associated with a marine instrument that was previously used to measure the speed of a ship - a log. The log was a long load that was thrown overboard. The rope was pre-tied with knots in 50-foot increments. After which the captain or his assistant counted the number of knots on the cable that would submerge in the water in a certain time. Their number corresponded to the speed of the ship.

Nowadays, the speed of a ship in knots is rarely measured, only in Britain it is customary to talk about sea speed per hour. In most countries, the speed of maritime transport is measured in kilometers per hour.

Accumulating miles under the Aeroflot bonus program will allow you to receive a pleasant “gift” after a while - a free flight or upgrade to a service class; instead of economy, you can get a business ticket. There are several ways to earn miles, and it is best not to limit yourself to one of them, but to work with all of them at once.

Instructions

All bonus miles that can be accumulated with Aeroflot are conventionally divided into qualifying and non-qualifying. The first type includes all award miles that you receive when flying on flights of Aeroflot itself and partner companies. The second type of miles is accumulated if you use various joint Aeroflot programs with partners, for example, with hotels, banks, mobile operators, etc.

The easiest and most effective way to quickly accumulate qualifying miles is to fly with Aeroflot and partner airlines. With each flight you receive at least 500 bonus miles, and if it is a long-haul flight, even more. The most profitable flights are in business class, for which the price is sometimes double or even more than for a flight in economy class. There is a website on the airline's website that allows you to calculate how many bonus miles you will receive in each specific case.

From time to time, Aeroflot runs various promotions that award far more miles than usual for flights to certain destinations. Of course, no one will buy a ticket to a distant destination just because it can earn you a lot of award miles that month. But if you are going on vacation anyway and haven’t decided yet, then why not see what offers Aeroflot has for you?

Not long ago, Aeroflot joined the Sky Team alliance, which includes many of the largest carriers from around the world. Therefore, it is useful to find all boarding passes for the last year or two, and if any flights were made on planes of companies from this alliance, then you can safely enter their data on the bonus program website to credit miles to your bonus account. You can also use all Nordavia flights.

Non-qualifying miles are a way for non-frequent flyers to earn money. To find out how you can accumulate them, it is useful to visit the Aeroflot website from time to time and look at the list of partner companies from which you receive miles for purchases. The list of partners is constantly changing. These include all kinds of hotels, bank cards, and even cellular operators (Aeroflot's partner is Megafon). Sometimes, together with partners, we run promotions that are profitable based on miles.

Some ways to earn non-qualifying miles give you a nice bonus when you sign up. So, when you open a bank card that earns miles on every purchase, you usually receive 500 welcome miles. The company also gives its clients a gift - a certain number of miles for their birthday, provided that the person is an active client and has recently earned accruals.

Helpful advice

The number of miles you receive depends on your status as a customer. When you register, everyone gets Basic status, but later, if you are active, you can upgrade to the Elite Club. Its members have access to various benefits and privileges, including an increased number of miles accrued. It turns out that the more miles you accumulate with Aeroflot, the easier and faster it will be for you to do so in the future.

Bonus miles are a kind of payment method with which you can upgrade the class of service on an airplane or purchase a free flight. You can earn bonus miles in various ways.

Qualifying miles do not have a value and are used to account for the number of services provided to the passenger.

Each passenger participating in the Aeroflot Bonus program can open only one account in it, qualifying miles from which cannot be transferred or combined with miles and accounts of other participants in this program. In addition, the Member may not transfer, sell or bequeath his Qualifying Miles account to a third party or use them to earn awards in other rewards programs.

Rules for earning miles

Qualifying miles for a flight on an Aeroflot flight or an airline partner of the program are credited to the passenger’s account once and regardless of the number of services or air tickets paid for. Qualifying miles are accrued according to the distance traveled between the point of departure and the point of destination - and they are credited to the account only after completed flights.

A program participant receives qualifying miles as a percentage of the distance covered and depending on the fare indicated on his ticket.

Qualifying miles are also credited to the passenger’s account for each flight segment that corresponds to each flight coupon of the ticket. In the Aeroflot Bonus program, these incentive units are credited exclusively for a flight coupon or air ticket already used by the passenger. However, qualifying miles are not credited if tickets are lost, expired or unused. They are credited to the program participant’s account automatically after the flight and within ten days after the flight date. Also, the number of a passenger participating in the airline’s bonus program must be entered into Aeroflot’s reservation system.

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1 kilometer [km] = 0.621371192237334 mile

Initial value

Converted value

meter exameter petameter terameter gigameter megameter kilometer hectometer decameter decimeter centimeter millimeter micrometer micron nanometer picometer femtometer attometer megaparsec kiloparsec parsec light year astronomical unit league naval league (UK) maritime league (international) league (statutory) mile nautical mile (UK) nautical mile (international) mile (statutory) mile (USA, geodetic) mile (Roman) 1000 yards furlong furlong (USA, geodetic) chain chain (USA, geodetic) rope (English rope) genus genus (USA, geodetic) pepper floor (English) . pole) fathom, fathom fathom (US, geodetic) cubit yard foot foot (US, geodetic) link link (US, geodetic) cubit (UK) hand span finger nail inch inch (US, geodetic) barley grain (eng. barleycorn) thousandth of a microinch angstrom atomic unit of length x-unit Fermi arpan soldering typographical point twip cubit (Swedish) fathom (Swedish) caliber centiinch ken arshin actus (Ancient Roman) vara de tarea vara conuquera vara castellana cubit (Greek) long reed reed long elbow palm "finger" Planck length classical electron radius Bohr radius equatorial radius of the Earth polar radius of the Earth distance from the Earth to the Sun radius of the Sun light nanosecond light microsecond light millisecond light second light hour light day light week Billion light years Distance from the Earth to the Moon cables (international) cable length (British) cable length (USA) nautical mile (USA) light minute rack unit horizontal pitch cicero pixel line inch (Russian) inch span foot fathom oblique fathom verst boundary verst

Convert feet and inches to meters and vice versa

foot inch

m

More about length and distance

General information

Length is the largest measurement of the body. In three-dimensional space, length is usually measured horizontally.

Distance is a quantity that determines how far two bodies are from each other.

Measuring distance and length

Units of distance and length

In the SI system, length is measured in meters. Derived units such as kilometer (1000 meters) and centimeter (1/100 meter) are also commonly used in the metric system. Countries that do not use the metric system, such as the US and UK, use units such as inches, feet and miles.

Distance in physics and biology

In biology and physics, lengths are often measured at much less than one millimeter. For this purpose, a special value has been adopted, the micrometer. One micrometer is equal to 1×10⁻⁶ meters. In biology, the size of microorganisms and cells is measured in micrometers, and in physics, the length of infrared electromagnetic radiation is measured. A micrometer is also called a micron and is sometimes, especially in English literature, denoted by the Greek letter µ. Other derivatives of the meter are also widely used: nanometers (1 × 10⁻⁹ meters), picometers (1 × 10⁻¹² meters), femtometers (1 × 10⁻¹⁵ meters and attometers (1 × 10⁻¹⁸ meters).

Navigation distance

Shipping uses nautical miles. One nautical mile is equal to 1852 meters. It was originally measured as an arc of one minute along the meridian, that is, 1/(60x180) of the meridian. This made latitude calculations easier, since 60 nautical miles equaled one degree of latitude. When distance is measured in nautical miles, speed is often measured in knots. One sea knot equals a speed of one nautical mile per hour.

Distance in astronomy

In astronomy, large distances are measured, so special quantities are adopted to facilitate calculations.

Astronomical unit(au, au) is equal to 149,597,870,700 meters. The value of one astronomical unit is a constant, that is, a constant value. It is generally accepted that the Earth is located at a distance of one astronomical unit from the Sun.

Light year equal to 10,000,000,000,000 or 10¹³ kilometers. This is the distance that light travels in a vacuum in one Julian year. This quantity is used in popular science literature more often than in physics and astronomy.

Parsec approximately equal to 30,856,775,814,671,900 meters or approximately 3.09 × 10¹³ kilometers. One parsec is the distance from the Sun to another astronomical object, such as a planet, star, moon, or asteroid, with an angle of one arcsecond. One arcsecond is 1/3600 of a degree, or approximately 4.8481368 microrads in radians. Parsec can be calculated using parallax - the effect of visible changes in body position, depending on the observation point. When making measurements, lay a segment E1A2 (in the illustration) from the Earth (point E1) to a star or other astronomical object (point A2). Six months later, when the Sun is on the other side of the Earth, a new segment E2A1 is laid from the new position of the Earth (point E2) to the new position in space of the same astronomical object (point A1). In this case, the Sun will be at the intersection of these two segments, at point S. The length of each of the segments E1S and E2S is equal to one astronomical unit. If we plot a segment through point S, perpendicular to E1E2, it will pass through the intersection point of segments E1A2 and E2A1, I. The distance from the Sun to point I is segment SI, it is equal to one parsec, when the angle between segments A1I and A2I is two arcseconds.

On the image:

• A1, A2: apparent star position
• E1, E2: Earth position
• S: Sun position
• I: point of intersection
• IS = 1 parsec
• ∠P or ∠XIA2: parallax angle
• ∠P = 1 arcsecond

Other units

League- an obsolete unit of length previously used in many countries. It is still used in some places, such as the Yucatan Peninsula and rural areas of Mexico. This is the distance a person travels in an hour. Sea League - three nautical miles, approximately 5.6 kilometers. Lieu is a unit approximately equal to a league. In English, both leagues and leagues are called the same, league. In literature, league is sometimes found in the title of books, such as “20,000 Leagues Under the Sea” - the famous novel by Jules Verne.

Elbow- an ancient value equal to the distance from the tip of the middle finger to the elbow. This value was widespread in the ancient world, in the Middle Ages, and until modern times.

Yard used in the British Imperial system and is equal to three feet or 0.9144 meters. In some countries, such as Canada, which adopts the metric system, yards are used to measure fabric and the length of swimming pools and sports fields such as golf courses and soccer fields.

Definition of meter

The definition of meter has changed several times. The meter was originally defined as 1/10,000,000 of the distance from the North Pole to the equator. Later, the meter was equal to the length of the platinum-iridium standard. The meter was later equated to the wavelength of the orange line of the electromagnetic spectrum of the krypton atom ⁸⁶Kr in a vacuum, multiplied by 1,650,763.73. Today, a meter is defined as the distance traveled by light in a vacuum in 1/299,792,458 of a second.

Computations

In geometry, the distance between two points, A and B, with coordinates A(x₁, y₁) and B(x₂, y₂) is calculated by the formula:

and within a few minutes you will receive an answer.

Calculations for converting units in the converter " Length and distance converter" are performed using unitconversion.org functions.

- (from Latin mille passuum thousand double Roman steps of “canes”) a travel measure for measuring distance, introduced in Rome. The mile was used in a number of countries in ancient times, as well as in many modern countries before the introduction of metric... ... Wikipedia

- (French mille, German Meile). A travel measure in Europe, which has different sizes, in Russia = 7 versts. Dictionary of foreign words included in the Russian language. Chudinov A.N., 1910. MILE is a measure of length, of various sizes: German geographical =... ... Dictionary of foreign words of the Russian language

- (English mile) a unit of length that was widespread in national non-metric systems of units and is now used mainly in maritime affairs. 1 mile (sea) = 1.852 km; in Great Britain 1 mile (sea) = 1.853 km, 1 mile land... ... Big Encyclopedic Dictionary

MILYa, and, female A travel measure of length, different in different countries. Morskaya m. (1852 or 1853 m). Land m. (1609 m). Old Russian metro station (7468 m). Ozhegov's explanatory dictionary. S.I. Ozhegov, N.Yu. Shvedova. 1949 1992 … Ozhegov's Explanatory Dictionary

AND; and. [English] mile] 1. A unit of length, measuring distances, used in maritime affairs. The ship was traveling at a speed of eight miles per hour. Morskaya metro station (distance 1.853 kilometers). 2. Unit of length, distance measurements, different in different... ... encyclopedic Dictionary

mile- and, gen. pl. miles, f. A travel measure of length, used mainly in maritime affairs. Swim a few miles. Etymology: From English mile (← Latin milia passuum ‘a thousand double Roman steps’). Encyclopedic commentary: The nautical mile... ... Popular dictionary of the Russian language

- (English mile, from Latin milia passuum one thousand double Roman steps) a unit of length that was widespread in national non-metric systems of units and is now used mainly in maritime affairs. In the USSR and most countries... ... Great Soviet Encyclopedia

- (English mile), a unit of length that was widespread in the national world. metric systems of units and the currently used chapter. arr. to sea in fact. 1 M. (sea) = 1.852 km; in Great Britain 1 M. (sea) = 1.853 km, 1 M. land (statutory) = 1.609 km... ... Natural science. encyclopedic Dictionary

mile- And; and. (English mile) 1) A unit of length, measuring distances, used in maritime affairs. The ship was traveling at a speed of eight miles per hour. Nautical mile. (distance of 1.853 kilometers) 2) A unit of length, measuring distances, different in different... ... Dictionary of many expressions

Nautical mile- a non-system unit of length used in maritime affairs. In 1928, the International Hydrographic Bureau adopted the standard M.M.: 1 M.M. = 1.852 km = 10 kb (cable) (in the UK 1 mm = 1.853 km). Land mile = 1,609 km... ... Border Dictionary

Asia- (Asia) Description of Asia, countries, states of Asia, history and peoples of Asia Information about Asian states, history and peoples of Asia, cities and geography of Asia Contents Asia is the largest part of the world, forms together with the mainland Eurasia... Investor Encyclopedia

The British metric system causes a lot of inconvenience for those who are accustomed to simple and understandable kilograms, meters and liters. How the mile in km is determined and why the ancient measure turned out to be so tenacious is discussed in this article.

Historical measures

From the distant past, inches and miles, pounds and yards, bushels and pints came to us. All these units of measurement were directly related to man. Without a standard system of weights and measures at hand, people used what was nearby. What could be closer than your own hands and feet? This is how the first anthropometric measures related to the size of people’s body parts appeared. For example, an inch was the length of the phalanx of the index finger. A foot is the size of an adult man's foot, and so on. But what is 1 mile? How many kilometers is it?

What kind of miles are there?

This well-known measure of length came to us from ancient times. Due to its age, it has many interpretations. When answering the question “1 mile - how many kilometers?”, you should definitely clarify which unit of measurement the interlocutor has in mind. The Egyptian mile is 580 meters long, and the longest, the Norwegian mile, is almost 11 kilometers.

Until the mid-18th century, in Europe alone there were about 46 different miles, which measured completely different distances.

Why is that?

This discrepancy in interpretation of this standard measure of length is easily explained. The word "mile" has Latin roots. This standard measure of length was measured by one thousand steps of the ancient Roman legionnaires.

After the decline of the Roman Empire, a simple and convenient value began to be used throughout Europe. Yes, they just considered it differently. Many peoples agreed on the mile with their national measures of length. For example, the Russian mile was equal to seven versts, the French equated it to their Gallic leagues, and the British measured the mile in furlongs. The proud Scots also used this measure of length, but it varied significantly in its dimensions in different regions of the Highlands and was somewhat longer than the English one.

Link to geography

Later, with the advent of precise measuring instruments, they tried to standardize the wayward mile. Over the centuries, exploration of the surrounding world has given scientists accurate knowledge about the structure of our planet. It turned out to be very convenient to draw the surface of the Earth with parallels and meridians and tie existing units of length to geographical measurements. One of the first in this series was 1 mile. How many kilometers did it cover in geographical units? Everything depended on the name.

Such a different mile

Practical Germans were the first to fall in love with this conformity. From now on, the German mile (also known as the geographical mile) was equal to 1/15 of a degree of the equatorial parallel, which amounted to 7.420 km.

The French separated land and sea miles, but equated both values ​​to the share of the earth's meridian. One land league occupies the 25th part of one degree of the meridian. In the standard system of weights and measures, one French mile is 4.44 km. A nautical mile is slightly longer. The French equated it to 1/20 of a degree of the meridian. Accordingly, its length will be greater - a French nautical mile is 5.55 km.

The Swedes did it the easiest way. Before the spread of the metric system, they used their own mile, which was equal to 10.6 km. After the approval of the international SI system, the Swedes only slightly shortened their mile and recognized it as equal to 10.0 km.

British (American) mile

Of course, the most widely used is the British mile, often called the American mile. By default, international business documents assume the British 1 mile. How many kilometers of air routes are converted into miles for British and American passengers is known only to employees of international airlines.

After all, according to tradition, the duration of air flights and bonuses for passengers are calculated in American miles. One such unit of length is 1.609 km and is a multiple of eight furlongs, 1760 yards and 5280 feet.