🛣️ Km to Miles Converter

Convert kilometers to miles instantly, both directions.

About this tool

Converts kilometers to miles using the exact inverse of the international mile definition (1 mile = 1.609344 km).

Useful for reading metric road signs, race distances, or fitness-tracker data if you think in miles.

Worked example

A 10 km run is about 6.21 miles, and a 3-mile walk is about 4.83 km.

How to use it

Enter a distance in kilometers.
The mile equivalent appears instantly.
Swap direction to convert miles back to kilometers.

Tips

Quick mental estimate: multiply kilometers by 0.62.
Most fitness watches let you switch the display unit — this tool is handy for cross-checking a single figure without digging through settings.
A "10K" race is always 10 kilometers, regardless of the mile-using country it's held in.

FAQ

How many miles is 5 km?

5 km is about 3.1 miles.

Is a kilometer shorter than a mile?

Yes — a kilometer is shorter; it takes about 1.61 km to cover the same distance as 1 mile.

What's the fastest way to estimate this in my head?

Multiply km by 0.6 for a close approximation, or use this page for the exact figure.

From the blog: getting the most out of this tool

We see "km to miles" and "miles to km" as two distinct searches with two distinct intents, so rather than forcing one into the other with a toggle buried in a menu, each gets its own fast, focused page.

The quick-reference table below covers the distances people ask about most — 5K, 10K, half marathon, and marathon-adjacent figures — so you can scan instead of recalculating each one.

📖 Want the fuller explanation?

See Metric vs Imperial Units for the reasoning behind this calculation, with worked examples.