Miles to Kilometers (mi to km)
1 mi = 1.60934 km
and 1 km = 0.621371 mi
How to convert Miles to Kilometers
km = mi × 1.609344
To convert, multiply the number of miles by 1.609344. Example: 10 mi × 1.609344 = 16.0934 km.
1 international mile is exactly 1.609344 kilometers (5,280 ft × 0.3048 m).
Useful for US and UK road distances, speed limits and running mileage when you think in kilometers.
Mental shortcut: multiply by 8/5 (1.6) (underestimates by about 0.6%).
Miles to Kilometers conversion chart
| Miles | Kilometers |
|---|---|
| 1 mi | 1.61 km |
| 2 mi | 3.22 km |
| 3 mi | 4.83 km |
| 4 mi | 6.44 km |
| 5 mi | 8.05 km |
| 6 mi | 9.66 km |
| 7 mi | 11.27 km |
| 8 mi | 12.87 km |
| 9 mi | 14.48 km |
| 10 mi | 16.09 km |
| 11 mi | 17.7 km |
| 12 mi | 19.31 km |
| 13 mi | 20.92 km |
| 14 mi | 22.53 km |
| 15 mi | 24.14 km |
| 16 mi | 25.75 km |
| 17 mi | 27.36 km |
| 18 mi | 28.97 km |
| 19 mi | 30.58 km |
| 20 mi | 32.19 km |
| 21 mi | 33.8 km |
| 22 mi | 35.41 km |
| 23 mi | 37.01 km |
| 24 mi | 38.62 km |
| 25 mi | 40.23 km |
| 26 mi | 41.84 km |
| Miles | Kilometers |
|---|---|
| 27 mi | 43.45 km |
| 28 mi | 45.06 km |
| 29 mi | 46.67 km |
| 30 mi | 48.28 km |
| 35 mi | 56.33 km |
| 40 mi | 64.37 km |
| 45 mi | 72.42 km |
| 50 mi | 80.47 km |
| 55 mi | 88.51 km |
| 60 mi | 96.56 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 |
| 150 mi | 241.4 km |
| 200 mi | 321.87 km |
| 250 mi | 402.34 km |
| 300 mi | 482.8 km |
| 350 mi | 563.27 km |
| 400 mi | 643.74 km |
| 450 mi | 724.2 km |
| 500 mi | 804.67 km |
Values rounded to 2 decimal places (4 below 1). Use the converter above for more precision.
Popular conversions
Frequently asked questions
How many kilometers are in 1 mile?
1 mile = 1.60934 kilometers. 1 international mile is exactly 1.609344 kilometers (5,280 ft × 0.3048 m).
How do I convert miles to kilometers?
Multiply the number of miles by 1.609344. Example: 10 mi × 1.609344 = 16.0934 km.
Is there a quick way to estimate mi to km in your head?
Yes — multiply by 8/5 (1.6). This underestimates by about 0.6%. Use the exact formula (km = mi × 1.609344) when precision matters.
How do I convert kilometers back to miles?
Use mi = km ÷ 1.609344 — divide the number of kilometers by 1.609344. See the Kilometers to Miles page for a full chart.