Mile per hour (mph)
One international mile per hour: exactly 0.44704 meters per second.
What is a mile per hour?
- Symbol
- mph
- Quantity
- Speed
- Unit system
- US customary
- Definition
- One international mile per hour: exactly 0.44704 meters per second.
- Exact
- Yes, the value is exact by definition
- Source
- International yard and pound agreement (1959)
Common applications
Used for road speed limits and vehicle speeds in the United States and United Kingdom.
Mile per hour in other speed units
- 1 mph = 44.704 cm/sCentimeter per second
- 1 mph = 0.44704 m/sMile per hour to Meter per second converter
- 1 mph = 1.609344 km/hMile per hour to Kilometer per hour converter
- 1 mph = 0.00044704 km/sKilometer per second
- 1 mph ≈ 1.466666667 ft/sFoot per second
- 1 mph ≈ 0.8689762419 knMile per hour to Knot converter
- 1 mph ≈ 1.491164931e-9 cSpeed of light in vacuum
Mile per hour quick reference
| Mile per hour | Meter per second | Kilometer per hour | Knot |
|---|---|---|---|
| 1 mph | = 0.44704 m/s | = 1.609344 km/h | ≈ 0.8689762419 kn |
| 10 mph | = 4.4704 m/s | = 16.09344 km/h | ≈ 8.689762419 kn |
| 100 mph | = 44.704 m/s | = 160.9344 km/h | ≈ 86.89762419 kn |
| 1000 mph | = 447.04 m/s | = 1609.344 km/h | ≈ 868.9762419 kn |
Where the mile per hour fits
The next smaller speed unit is the foot per second (ft/s). 1 mph ≈ 1.466666667 ft/s, and 1 ft/s ≈ 0.6818181818 mph.
The next larger speed unit is the knot (kn). 1 mph ≈ 0.8689762419 kn, and 1 kn ≈ 1.150779448 mph.
Frequently asked questions
- How many meters per second are in one mile per hour?
- One mile per hour = 0.44704 m/s (meters per second).
- How many kilometers per hour are in one mile per hour?
- One mile per hour = 1.609344 km/h (kilometers per hour).
- How many knots are in one mile per hour?
- One mile per hour ≈ 0.8689762419 kn (knots).