Miles to Kilometers Converter
Convert miles to kilometers. The formula used here is 1 mile = 1.609344 kilometers. The formula is km = mi × 1.609344; 1 mi is 1.6093 km.
A US customary and imperial length unit used for road and travel distances.
A metric length unit equal to 1,000 meters, commonly used for travel distances.
Start with your value in miles, then apply the formula below. It stays visible so you can catch rounding mistakes instead of just copying the output.
When the converted length drives a cut, fit, clearance, or route estimate, decide whether to round to the nearest mark, round up for safety, or keep decimals for documentation.
Many length factors are exact by definition, but practical measurements still depend on rulers, survey tools, tolerances, and how the result will be used. This page displays converted values with up to 4 decimal places by default.
| Miles | Kilometers |
|---|---|
| 1 mi | 1.6093 km |
| 5 mi | 8.0467 km |
| 10 mi | 16.0934 km |
| 26.2 mi | 42.1648 km |
| 100 mi | 160.9344 km |
Useful for checking construction and DIY measurements. Use the same formula with your exact input if the measurement needs to be documented.
Useful for travel, mapping, or athletics distances. Use the same formula with your exact input if the measurement needs to be documented.
Useful for product dimensions and classroom conversions. Use the same formula with your exact input if the measurement needs to be documented.
How do I convert miles to kilometers?
Enter the value in miles and apply km = mi × 1.609344. Round the kilometers result after the conversion, not before.
What is 1 mile in kilometers?
1 mi equals 1.6093 km with the current rounding setting. Keep more decimal places when the result feeds another calculation.
What is 5 mi in km?
5 mi is 8.0467 km. It appears in the lookup table so you can compare it with nearby amounts.
Can I convert kilometers back to miles?
Yes. Use the reverse Kilometers to Miles converter if you need to go the other direction.
How accurate is this miles to kilometers conversion?
The calculator runs the formula in your browser and rounds results to 4 decimal places by default. Many length factors are exact by definition, but practical measurements still depend on rulers, survey tools, tolerances, and how the result will be used.