Speed Converter

Convert speed units instantly

1 km/h = 0.621371 mph
Live conversion result
How it works

Base unit: mps. Values convert via the base unit for this category.

Formula (scale-only): mph = kmph × 0.621371
That is, multiply by 0.621371 to convert kmph to mph.
Examples
  • 1 kmph = 0.621371 mph
  • 5 kmph = 3.10686 mph
Tips
  • 1 mph = 1.609344 km/h.

Top conversions

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