How do I convert km/h to mph?

Divide km/h by 1.609344 to get mph.

Does this tool store my data?

No. It runs locally in your browser.

Convert kilometers per hour (km/h) to miles per hour (mph) instantly. Fast, mobile-friendly, privacy-first — runs locally in your browser.

Kilometers per hour

km/h

Miles per hour

mph

Decimals

Enter a value to convert.

Formula: mph = km/h ÷ 1.609344.

Type in either field to convert instantly. This tool runs locally in your browser.