Distance Converter
Convert a distance between metric and imperial units — millimeters, centimeters, meters, kilometers, inches, feet, yards, and miles.
- Free to use
- Accurate results
- No registration required
- Works on all devices
Enter a distance and choose a from/to unit to convert between metric and imperial distance units.
Your result
3.107
Converted value
AI explanation
Formula
Converted value = amount × (from-unit-to-meters factor) ÷ (to-unit-to-meters factor)Worked example
5 kilometers to miles
| Field | Value |
|---|---|
| Distance | 5 |
| From unit | km |
| To unit | mi |
| Converted value | 3.106856 |
Assumptions
- Uses standard international unit conversion constants (1 mile = 1.609344 km exactly, 1 inch = 2.54 cm exactly, etc.).
Frequently asked questions
How is distance different from length here?
Mathematically they're the same measurement — this calculator uses identical unit conversion constants either way, just under the more commonly searched "distance" phrasing for things like travel or running distances.
What's a quick way to estimate km to miles in my head?
Multiply kilometers by 0.62 for a rough estimate (the exact factor is 0.621371), or divide by 1.6.
Is there a dedicated converter just for km to miles?
Yes — see the Kilometers to Miles Converter and Miles to Kilometers Converter for single-purpose versions of this specific pair.