Miles to Kilometers (mi to km)

1 mi = 1.609344 km. Type any value to convert it.

1 mile =

1.609344 km

kilometers

Conversion factor
1 mi = 1.609344 km
Feet + inches
5,280 ft 0 in

Fix the highlighted field to update the result.

Show in all common units
1 mi in other units
UnitValue
millimeter (mm)1,609,344 mm
centimeter (cm)160,934.4 cm
meter (m)1,609.344 m
kilometer (km)1.609344 km
inch (in)63,360 in
foot (ft)5,280 ft
yard (yd)1,760 yd
mile (mi)1 mi
nautical mile (nmi)0.8689762419 nmi

How to convert miles to kilometers

1 mi = 1.609344 km

1 mi = 1.609344 km exactly (NIST SP 811): 5,280 ft of 0.3048 m each. Multiply miles by 1.609344.

Examples

  • 26.21875 mi = 42.194988 km: Marathon distance as stated in miles and yards (World Athletics)
  • 3 mi = 4.828032 km: A three-mile walk
  • 60 mi = 96.56064 km: A drive of this many miles

Miles to km chart

Miles to kilometers
Miles (mi)Kilometers (km)
1 mi1.609344 km
2 mi3.218688 km
3 mi4.828032 km
4 mi6.437376 km
5 mi8.04672 km
10 mi16.09344 km
15 mi24.14016 km
20 mi32.18688 km
25 mi40.2336 km
26.21875 mi42.194988 km
50 mi80.4672 km
60 mi96.56064 km
75 mi120.7008 km
100 mi160.9344 km

Common mistakes

  • Swap the operation and the answer is wrong: miles × 1.609344 gives km, but km × 1.609344 does not give miles.
  • Rounded race names are approximate: "26.2 miles" is about 30 m short of a marathon.

Frequently asked questions

How many km is a mile?

Exactly 1.609344 km. The statute mile is 5,280 feet, and each foot is exactly 0.3048 m.

How do I convert miles to km in my head?

Multiply by 1.6. That shortcut is about 0.6% low, so 10 miles comes out as 16 km against an exact 16.09 km.

Is 26.2 miles exactly a marathon?

Not quite. 26.2 miles is about 42.165 km, while the official marathon is 42.195 km, which is about 26.219 miles.

Does 26 miles 385 yards equal exactly 42.195 km?

Almost. 26 miles 385 yards is 42.194988 km, about 1.2 cm short of the metric distance World Athletics sets.