Convert miles to kilometers
Mile (mi) to kilometer (km). One mile equals 1.6093 kilometers.
Formula
Mile to kilometer conversion table
| Miles | Kilometers | Kilometers | Miles |
|---|---|---|---|
| 1 mi | 1.6093 km | 1 km | 0.621371 mi |
| 2 mi | 3.2187 km | 2 km | 1.2427 mi |
| 3 mi | 4.828 km | 3 km | 1.8641 mi |
| 5 mi | 8.0467 km | 5 km | 3.1069 mi |
| 10 mi | 16.0934 km | 10 km | 6.2137 mi |
| 20 mi | 32.1869 km | 20 km | 12.4274 mi |
| 50 mi | 80.4672 km | 50 km | 31.0686 mi |
| 100 mi | 160.93 km | 100 km | 62.1371 mi |
| 500 mi | 804.67 km | 500 km | 310.69 mi |
| 1000 mi | 1609.34 km | 1000 km | 621.37 mi |
Decimal miles to kilometers conversion table
The exact decimal amounts people look up most often, worked out with the same factor the converter above uses. Every row is calculated, not rounded off a chart.
| Miles | Kilometers |
|---|---|
| 0.5 mi | 0.804672 km |
| 1 mi | 1.6093 km |
| 2 mi | 3.2187 km |
| 3 mi | 4.828 km |
| 4 mi | 6.4374 km |
| 5 mi | 8.0467 km |
| 6 mi | 9.6561 km |
| 7 mi | 11.2654 km |
| 8 mi | 12.8748 km |
| 9 mi | 14.4841 km |
| 10 mi | 16.0934 km |
| 11 mi | 17.7028 km |
| 12 mi | 19.3121 km |
| 13 mi | 20.9215 km |
| 14 mi | 22.5308 km |
| 15 mi | 24.1402 km |
| 16 mi | 25.7495 km |
| 17 mi | 27.3588 km |
| 18 mi | 28.9682 km |
| 19 mi | 30.5775 km |
| 20 mi | 32.1869 km |
| 21 mi | 33.7962 km |
| 22 mi | 35.4056 km |
| 23 mi | 37.0149 km |
| 24 mi | 38.6243 km |
| 25 mi | 40.2336 km |
| 26 mi | 41.8429 km |
| 26.2 mi | 42.1648 km |
| 27 mi | 43.4523 km |
| 28 mi | 45.0616 km |
| 29 mi | 46.671 km |
| 30 mi | 48.2803 km |
| 35 mi | 56.327 km |
| 40 mi | 64.3738 km |
| 45 mi | 72.4205 km |
| 50 mi | 80.4672 km |
| 55 mi | 88.5139 km |
| 60 mi | 96.5606 km |
| 65 mi | 104.61 km |
| 70 mi | 112.65 km |
| 75 mi | 120.7 km |
| 80 mi | 128.75 km |
| 85 mi | 136.79 km |
| 90 mi | 144.84 km |
| 95 mi | 152.89 km |
| 100 mi | 160.93 km |
| 105 mi | 168.98 km |
| 110 mi | 177.03 km |
| 115 mi | 185.07 km |
| 120 mi | 193.12 km |
| 125 mi | 201.17 km |
| 130 mi | 209.21 km |
| 135 mi | 217.26 km |
| 140 mi | 225.31 km |
| 145 mi | 233.35 km |
| 150 mi | 241.4 km |
| 200 mi | 321.87 km |
| 500 mi | 804.67 km |
Kilometers back to miles
The same conversion in reverse, for when you have the answer and need the question.
| Kilometers | Miles |
|---|---|
| 1 km | 0.621371 mi |
| 5 km | 3.1069 mi |
| 10 km | 6.2137 mi |
| 21.0975 km | 13.1094 mi |
| 42.195 km | 26.2188 mi |
| 100 km | 62.1371 mi |
Where the mile to kilometer factor comes from
- One statute mile is exactly 1609.344 metres, which is 1.609344 kilometres, derived from 5280 feet at 0.3048 m each.
- That constant is the conversion directly.
- kilometres = miles × 1.609344. Because the mile is exactly defined, the factor is exact.
- So 26.2 miles is 42.16 km, and 100 miles is 160.93 km.
Sources
Common mistakes
Nautical miles convert differently
If your source is a boat or aircraft, the miles are probably nautical (1.852 km each), not statute (1.609344 km). Ten nautical miles is 18.52 km, not 16.09 km. This page uses the statute land mile.
mph and km/h use the same factor, but per hour
Converting a speed limit works the same way: 60 mph is 96.56 km/h because 60 × 1.609344 = 96.56. The trap is mixing distance and speed in one sum; convert the number first, then reattach the 'per hour'.
To convert miles to kilometers, multiply the number of miles by 1.6093. One mile equals 1.6093 kilometers, and one kilometer equals 0.621371 miles, so the relationship is fixed and exact. As a worked example, 10 mi comes to 16.0934 km. Enter your own figure in the converter above to get an instant answer, or use the swap button to flip the direction. This is a length conversion, and like every tool on UnitGlide it runs locally in your browser with no account or upload required. The table further down shows a range of common mile values already worked out in kilometers, plus the reverse kilometer to mile direction, which is handy for quick reference or double-checking a result by hand.
Frequently asked questions
How many km is 26.2 miles?
26.2 miles is 42.16 km, the rounded marathon distance. The exact marathon of 26.21875 miles is 42.195 km.
How many km is 100 miles?
100 miles is 160.93 km. Multiply miles by 1.609344: 100 × 1.609344 = 160.93.
Is a mile about 1.6 km?
Yes. One mile is 1.609344 km, so '1.6' is close for everyday use. Five miles is 8.05 km.
How many kilometers are in a mile?
One mile equals 1.6093 kilometers. The ratio is constant, so you can multiply any number of miles by 1.6093 to get kilometers.
What is the formula to convert miles to kilometers?
Use kilometers = miles × 1.6093. UnitGlide applies this exact formula for every value, so results stay accurate across the whole range.
How do I convert kilometers back to miles?
Go the other way by using one kilometer equals 0.621371 miles. You can also press the swap button in the converter above to flip the direction in one click.
Is this mile to kilometer converter accurate?
Yes. It uses internationally defined SI conversion factors, as maintained by the BIPM, and all math runs in your browser so nothing is rounded away on a server. For everyday use the displayed precision is more than enough.