Speed conversion is the process of converting a value of speed (or velocity) from one unit to another. Speed is typically expressed as a distance traveled per unit of time, and the most common units for speed include meters per second (m/s), kilometers per hour (km/h), miles per hour (mph), feet per second (ft/s), and knots (nautical miles per hour).
Common Speed Units and Their Conversion:
Meters per Second (m/s) – The SI unit for speed.
Kilometers per Hour (km/h) – Common in most countries for road speeds.
Miles per Hour (mph) – Primarily used in the United States and the UK for road speeds.
Feet per Second (ft/s) – Often used in engineering or physics.
Knots (kt) – Used in aviation and maritime contexts (1 knot = 1 nautical mile per hour).
Conversion Formulas:
Meters per Second (m/s) to Kilometers per Hour (km/h):
1
m/s
=
3.6
km/h
1m/s=3.6km/h
To convert m/s to km/h:
km/h
=
m/s
×
3.6
km/h=m/s×3.6
Kilometers per Hour (km/h) to Meters per Second (m/s):
1
km/h
=
0.277778
m/s
1km/h=0.277778m/s
To convert km/h to m/s:
m/s
=
km/h
×
0.277778
m/s=km/h×0.277778
Miles per Hour (mph) to Kilometers per Hour (km/h):
1
mph
=
1.60934
km/h
1mph=1.60934km/h
To convert mph to km/h:
km/h
=
mph
×
1.60934
km/h=mph×1.60934
Kilometers per Hour (km/h) to Miles per Hour (mph):
1
km/h
=
0.621371
mph
1km/h=0.621371mph
To convert km/h to mph:
mph
=
km/h
×
0.621371
mph=km/h×0.621371
Feet per Second (ft/s) to Meters per Second (m/s):
1
ft/s
=
0.3048
m/s
1ft/s=0.3048m/s
To convert ft/s to m/s:
m/s
=
ft/s
×
0.3048
m/s=ft/s×0.3048
Meters per Second (m/s) to Feet per Second (ft/s):
1
m/s
=
3.28084
ft/s
1m/s=3.28084ft/s
To convert m/s to ft/s:
ft/s
=
m/s
×
3.28084
ft/s=m/s×3.28084
Knots (kt) to Kilometers per Hour (km/h):
1
kt
=
1.852
km/h
1kt=1.852km/h
To convert knots to km/h:
km/h
=
kt
×
1.852
km/h=kt×1.852
Kilometers per Hour (km/h) to Knots (kt):
1
km/h
=
0.539957
kt
1km/h=0.539957kt
To convert km/h to knots:
kt
=
km/h
×
0.539957
kt=km/h×0.539957
Conversion Examples:
Convert 15 m/s to km/h:
15
m/s
×
3.6
=
54
km/h
15m/s×3.6=54km/h
Convert 100 km/h to m/s:
100
km/h
×
0.277778
=
27.78
m/s
100km/h×0.277778=27.78m/s
Convert 60 mph to km/h:
60
mph
×
1.60934
=
96.56
km/h
60mph×1.60934=96.56km/h
Convert 120 km/h to mph:
120
km/h
×
0.621371
=
74.57
mph
120km/h×0.621371=74.57mph
Convert 10 ft/s to m/s:
10
ft/s
×
0.3048
=
3.048
m/s
10ft/s×0.3048=3.048m/s
Convert 25 knots to km/h:
25
kt
×
1.852
=
46.3
km/h
25kt×1.852=46.3km/h