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What is a mile?

The official road-distance unit in the US, UK and Myanmar

Definition

The statute mile equals 1609.344 meters exactly since the 1959 international definition. It is the official road unit in the United States, United Kingdom and Myanmar. The name comes from the Latin "mille passuum" — one thousand Roman paces. The nautical mile (1852 m) is different and used only in marine and air navigation.

Common uses

  • US and UK motorway distances and speed limits
  • Car odometers in American and British vehicles
  • Track events (mile run, quarter-mile drag racing)

🌍 Real-world scale

London to Edinburgh is about 400 miles by road. A marathon is 26.22 miles. US highways typically post 65–75 mph speed limits.

Convert from miles

14 conversions
Mile to Meter1 mi = 1,609.34 mMile to Kilometer1 mi = 1.60934 kmMile to Centimeter1 mi = 160,934.4 cmMile to Millimeter1 mi = 1,609,344 mmMile to Yard1 mi = 1,760 ydMile to Foot1 mi = 5,280 ftMile to Inch1 mi = 63,360 inMile to Nautical Mile1 mi = 0.869 nmiMile to Micrometer1 mi = 1,609,344,000 µmMile to Nanometer1 mi = 1,609,344,000,000 nmMile to Light Year1 mi = 1.7011e-13 lyMile to Furlong1 mi = 8 furMile to Fathom1 mi = 880 ftmMile to Angstrom1 mi = 16,093,440,000,000 Å

Convert to miles

14 conversions
Meter to Mile1 m = 0.0006214 miKilometer to Mile1 km = 0.6214 miCentimeter to Mile1 cm = 6.2137e-6 miMillimeter to Mile1 mm = 6.2137e-7 miYard to Mile1 yd = 0.0005682 miFoot to Mile1 ft = 0.0001894 miInch to Mile1 in = 1.5783e-5 miNautical Mile to Mile1 nmi = 1.15078 miMicrometer to Mile1 µm = 6.2137e-10 miNanometer to Mile1 nm = 6.2137e-13 miLight Year to Mile1 ly = 5,878,606,438,399.75 miFurlong to Mile1 fur = 0.125 miFathom to Mile1 ftm = 0.001136 miAngstrom to Mile1 Å = 6.2137e-14 mi

Tips

  • 1 mile ≈ 1.6 km. Mental trick: add 60% to the mile figure.
  • A running mile in 4 minutes is an elite pace; a recreational runner covers it in 8–10 minutes.
  • US cars show mph only. Check the speedometer scale before assuming the units.

Common mistakes

  • Confusing statute miles (1.609 km) with nautical miles (1.852 km) — a 15% gap.
  • Reading a US speedometer as km/h — 70 mph is 112 km/h, not 70.
  • Using 1.5 or 1.6 for quick conversions when precision matters — use 1.609 for engineering or legal documents.

FAQ about the mile

What is a mile?
The statute mile equals 1609.344 meters exactly since the 1959 international definition. It is the official road unit in the United States, United Kingdom and Myanmar. The name comes from the Latin "mille passuum" — one thousand Roman paces. The nautical mile (1852 m) is different and used only in marine and air navigation.
Where is the mile used?
The mile is commonly used for: US and UK motorway distances and speed limits; Car odometers in American and British vehicles; Track events (mile run, quarter-mile drag racing).
What is an example of a mile in real life?
London to Edinburgh is about 400 miles by road. A marathon is 26.22 miles. US highways typically post 65–75 mph speed limits.
What category does the mile belong to?
The mile is a unit of length, part of the 15-unit length category on UnitConv.
How accurate are mile conversions?
All conversion factors follow NIST and BIPM international standards to 8 significant figures — the highest practical accuracy.
Explore all 15 length units and their conversions.📏 Length hub →