Miles to kilometers converter
Convert miles to kilometers with an editable calculator, worked example, formula and reference table. Check the unit definitions before you convert.
Updated · How we checkUse a decimal point, such as 2.5. Enter a value in mi; the result is in km.
Formula
Worked example
Convert 10 mi to km:
10 mi ≈ 16.09344 km
Multiply your mi value by the factor above. The calculator uses the full conversion factor before rounding the displayed answer.
Miles to kilometers table
Reference values rounded to 10 significant digits. Use the converter above for other amounts.
| Miles (mi) | Kilometers (km) |
|---|---|
| 0.1 | ≈ 0.1609344 |
| 0.5 | ≈ 0.804672 |
| 1 | ≈ 1.609344 |
| 2 | ≈ 3.218688 |
| 5 | ≈ 8.04672 |
| 10 | ≈ 16.09344 |
| 25 | ≈ 40.2336 |
| 50 | ≈ 80.4672 |
| 100 | ≈ 160.9344 |
| 1000 | ≈ 1,609.344 |
Understanding miles
An international mile is exactly 1,609.344 meters. This unit differs from nautical miles and legacy survey miles.
Understanding kilometers
A kilometer contains 1,000 meters. Distance conversion does not estimate travel time or fuel use.
Precision and rounding
The calculator keeps decimal precision during the conversion. Displayed values use up to 10 significant digits; an approximation sign marks the reference results. Keep extra digits until your final measurement or purchase decision.
References
Definitions and method references. Example rates and prices on this page are editable assumptions.