KM/H to MPH Converter
Convert kilometers per hour to miles per hour.
Formula: multiply the source value by 0.62137119
Quick Conversions
About this tool
This page is a dedicated km/h to mph converter. The same factor powers the generic speed converter, so you can still switch units if you need a different pair.
How it works
Enter a value. The result updates as you type. Use swap to reverse the pair, or change either unit.
value_to = value_from Ă— (from_in_base / to_in_base)
Examples
KM/H to MPH
Set the from unit to the left default and the to unit to the right default, then type a number.
FAQ
Can I change the units?
Yes. This page starts on this pair, but the dropdowns still expose every unit in the family.
Is the factor exact?
Factors use SI definitions (and IT constants where relevant). Rounding follows the precision control.