Speed Converter

Convert between all speed units: km/h, mph, m/s, knots, and more.

1 kilometers per hour (km/h) = 0.621371689334 miles per hour (mph)
Round to:
Step-by-Step Solution
1Write the conversion factor:
1 mile per hour = 1.60934271253 kilometers per hour
2Divide the value by the conversion factor:
1 ÷ 1.60934271253 = 0.621371689334
3Result:
1 kilometers per hour (km/h) = 0.621371689334 miles per hour (mph)
View km/h to mph page →

1 km/h in All Units

UnitValue
km/h to m/s0.277778 m/s
Kilometers per Hour to Centimeters per Second27.7778 cm/s
km/h to mph0.621371689334 mph
km/h to ft/s0.911345144357 ft/s
Kilometers per Hour to Inches per Second10.9361417323 in/s
km/h to Knots0.539957701907 kn
km/h to Mach0.000816297863587 Mach
Kilometers per Hour to Speed of Light9.2656767236e-10 c
Kilometers per Hour to Kilometers per Second0.000277778 km/s

Popular Speed Conversions

km/h to mphmph to km/hm/s to km/hkm/h to m/sm/s to mphmph to m/sKnots to km/hkm/h to KnotsKnots to mphmph to Knotsm/s to ft/sft/s to m/sMach to km/hkm/h to MachMach to mphmph to Mach

About Speed Converter

This speed converter helps you convert between all major units of speed including km/h, mph, m/s, knots, and more.

Common Conversions

  • 1 km/h = 0.621371 mph
  • 1 mph = 1.60934 km/h
  • 1 m/s = 3.6 km/h
  • 1 knot = 1.852 km/h