Miles per Hour to Kilometers per Hour
1 mph equals 1.61 km/h.
View table →Imperial & nautical units
Knots to Miles per Hour
1 kn equals 1.15 mph.
View table →Miles per Hour to Knots
1 mph equals 0.869 kn.
View table →Knots to Kilometers per Hour
1 kn equals 1.85 km/h.
View table →Miles per Hour to Meters per Second
1 mph equals 0.447 m/s.
View table →Feet per Second to Meters per Second
1 ft/s equals 0.305 m/s.
View table →Miles per Hour to Feet per Second
1 mph equals 1.47 ft/s.
View table →Feet per Second to Miles per Hour
1 ft/s equals 0.682 mph.
View table →Knots to Meters per Second
1 kn equals 0.514 m/s.
View table →Metric units
Kilometers per Hour to Miles per Hour
1 km/h equals 0.621 mph.
View table →Kilometers per Hour to Meters per Second
1 km/h equals 0.278 m/s.
View table →Meters per Second to Kilometers per Hour
1 m/s equals 3.6 km/h.
View table →Kilometers per Hour to Knots
1 km/h equals 0.54 kn.
View table →Meters per Second to Miles per Hour
1 m/s equals 2.24 mph.
View table →Meters per Second to Feet per Second
1 m/s equals 3.28 ft/s.
View table →Meters per Second to Knots
1 m/s equals 1.94 kn.
View table →Frequently Asked Questions
How many km/h are in 1 mph?
One mile per hour equals exactly 1.609344 km/h. Going the other way, 1 km/h is about 0.621371 mph.
How many km/h are in 1 m/s?
One meter per second equals exactly 3.6 km/h. Going the other way, 1 km/h is about 0.277778 m/s.
What is a knot?
A knot is one nautical mile per hour and equals exactly 1.852 km/h (about 1.15078 mph). Knots are used in maritime and aviation contexts.
What is a meter per second?
Meters per second (m/s) is the SI unit of speed. 1 m/s equals exactly 3.6 km/h and about 2.23694 mph.
Are these conversions exact?
Yes. Speed conversions are exact; the values are only rounded for readability.