One mile is exactly 1.609344 kilometers. Type a distance above to see it in kilometers, meters, feet, yards and nautical miles at once.
Miles to kilometers
| Miles | Kilometers |
|---|---|
| 1 | 1.61 |
| 2 | 3.22 |
| 3 | 4.83 |
| 5 | 8.05 |
| 10 | 16.09 |
| 20 | 32.19 |
| 50 | 80.47 |
| 100 | 160.93 |
| 500 | 804.67 |
Speed limits: mph and km/h
Road signs in the United States and the United Kingdom are in miles per hour; almost everywhere else they are in kilometers per hour. A rental car from abroad may show only one of them on the speedometer.
| mph | km/h |
|---|---|
| 20 | 32 |
| 25 | 40 |
| 30 | 48 |
| 40 | 64 |
| 50 | 80 |
| 55 | 89 |
| 60 | 97 |
| 65 | 105 |
| 70 | 113 |
| 75 | 121 |
| 80 | 129 |
| km/h | mph |
|---|---|
| 30 | 18.6 |
| 50 | 31.1 |
| 80 | 49.7 |
| 90 | 55.9 |
| 100 | 62.1 |
| 110 | 68.4 |
| 120 | 74.6 |
| 130 | 80.8 |
Race distances
| Race | Kilometers | Miles |
|---|---|---|
| 5K | 5 | 3.11 |
| 10K | 10 | 6.21 |
| Half marathon | 21.0975 | 13.11 |
| Marathon | 42.195 | 26.22 |
| 50K ultra | 50 | 31.07 |
| 100K ultra | 100 | 62.14 |
The marathon is the one race defined in kilometers that sounds odd in both systems: 42.195 km came from the course of the 1908 London Olympics.
Mental shortcuts
- Miles to km: add 60%. 50 miles ≈ 80 km.
- Km to miles: take 60%, or use the Fibonacci trick – 5 miles ≈ 8 km, 8 miles ≈ 13 km, 13 miles ≈ 21 km, because the ratio between neighboring Fibonacci numbers is close to 1.609.
- Fuel economy: miles per gallon and liters per 100 km do not convert with a single factor; see the gallons to liters page for a ready-made table.
Statute, nautical and survey miles
The ordinary mile (the “statute mile”) is 1,609.344 m. The nautical mile, 1,852 m, comes from one minute of latitude and is used by ships and aircraft. The US survey mile, used for land maps until 2022, was 3.2 mm longer than the international mile – a difference that only matters to surveyors.
On a road trip abroad with no data, the converter keeps working once zet4u is saved on your phone (how it works offline).
Frequently asked questions
How many kilometers are in a mile?
1.609344 exactly. A mile is 5,280 feet of 0.3048 m each.
How do I convert kilometers to miles quickly?
Multiply by 0.6, or by 5 and divide by 8. 100 km ≈ 62 miles (exactly 62.14). Going the other way, multiply miles by 1.6.
Is a nautical mile the same as a mile?
No. A nautical mile is 1,852 meters, about 15% longer than a land mile. It is used at sea and in aviation; speed in nautical miles per hour is called knots.
How long is a marathon in miles?
26.219 miles (42.195 km). A half marathon is 13.109 miles, a 10K 6.214 miles and a 5K 3.107 miles.
Sources
Last checked: