Convert Kilometers to Miles – Length Converter
Use this converter to move seamlessly between kilometer and mile with instant precision.
Interactive Converter
Convert between kilometer and mile with precision rounding.
Quick reference table
| Kilometer | Mile |
|---|---|
| 1 km | 0.6214 mi |
| 5 km | 3.1069 mi |
| 10 km | 6.2137 mi |
| 25 km | 15.5343 mi |
| 50 km | 31.0686 mi |
| 100 km | 62.1371 mi |
How to use this Kilometer converter
- 1. Enter the value you want to convert in the first input field. You can type decimals or whole numbers.
- 2. The result updates instantly with our high-precision formulas, rounding to sensible decimal places for practical use.
- 3. Use the swap button to reverse the calculation and move from mile back to kilometer.
Conversion formula explained
To convert kilometer to mile, multiply the input value by the precise conversion factor derived from international measurement standards. The formula looks like this:
mi = (km × 0.62137119)
We compute the factor using the SI base unit as the truth source to guarantee accuracy even across chained conversions (e.g., meters → feet → inches).
Expert Q&A
What is the exact formula for kilometer to mile?
Multiply your value in kilometer by 0.62137119 to obtain the equivalent in mile.
Can I convert mile back to kilometer?
Yes. Hit the swap button in the converter to reverse the calculation or multiply your mile value by 1.609344 to switch back.
How accurate is this converter?
We anchor every conversion to internationally recognized base units. The calculator rounds to sensible decimals for readability, but core math runs at double precision.