Speed Converter (MPH to KM/H) Formula

Understand the math behind the speed converter (mph to km/h). Each variable explained with a worked example.

Use the Speed Converter (MPH to KM/H)

Formulas Used

Kilometers per Hour

kmh = value * 1.60934

Meters per Second

ms = value * 0.44704

Variables

VariableDescriptionDefault
valueSpeed(mph)60

How It Works

How to Convert MPH to KM/H

Formulas

km/h = mph × 1.60934

m/s = mph × 0.44704

1 mile per hour equals 1.60934 kilometers per hour and 0.44704 meters per second.

Worked Example

Convert 60 mph to km/h and m/s.

value = 60
  1. 01km/h = 60 × 1.60934 = 96.5604 km/h
  2. 02m/s = 60 × 0.44704 = 26.8224 m/s

Ready to run the numbers?

Open Speed Converter (MPH to KM/H)