Convert Miles Per Hour (mph) to Feet Per Second (ft/s)
1 mile per hour equals 1.46667 feet per second.
Mile Per Hour to Feet Per Second Converter
How to Convert Mile Per Hour to Feet Per Second
1 mile per hour = 1.46667 feet per second
Feet Per Second = Mile Per Hour × 1.46667
Example: 1 mph × 1.46667 = 1.46667 ft/s
Reverse Conversion
To convert feet per second back to miles per hour:
- Remember, 1 feet per second equals 0.681818 miles per hour.
- To convert 1.46667 ft/s to mph, multiply
1.46667 x 0.681818, resulting in1 mph.
Common Mile Per Hour to Feet Per Second Conversions
| Mile Per Hour | Feet Per Second | Actions |
|---|---|---|
| 1 mile per hour | 1.46667 feet per second | |
| 10 miles per hour | 14.6667 feet per second | |
| 50 miles per hour | 73.3333 feet per second |
| Mile Per Hour | Feet Per Second | Actions |
|---|---|---|
| 60 miles per hour | 88 feet per second | |
| 100 miles per hour | 146.667 feet per second |
Miles per hour to feet per second Conversion Table
Reference table with common miles per hour to feet per second conversions. All values calculated with high precision.
Miles Per Hour to Feet Per Second Table
0.0001 to 12
Miles Per Hour to Feet Per Second Table
1 to 100000
Feet Per Second to Miles Per Hour Table
0.001 to 5
Feet Per Second to Miles Per Hour Table
10 to 1000000
About the Mile Per Hour
Facts & Uses
- 1 mph = 1.609344 km/h exactly = 0.44704 m/s. The speed unit for road vehicles in the US, UK, and a handful of other countries.
- US speed limits: residential 25-35 mph, urban arterial 35-45 mph, highway 55-75 mph (some Texas roads 85 mph — highest in the US).
- Used in baseball (pitch speeds 70-105 mph), tennis (serve speeds 100-160 mph), golf ball speeds off the tee (150-180 mph).
- Reference: walking ≈ 3 mph, jogging 5-6 mph, cycling 10-15 mph, highway 60-75 mph, commercial jet cruise ~570 mph.
Curiosities
- The mile is defined via the international yard (0.9144 m exactly), so 1 mph = 1609.344 m / 3600 s = 0.44704 m/s exactly — a clean conversion despite the imperial origin.
- The Indianapolis 500 averages around 220-230 mph; Formula 1 cars reach 230+ mph on long straights at Monza and Spa.
- The Concorde cruised at Mach 2.04 ≈ 1354 mph — the only commercial supersonic aircraft to operate scheduled passenger service (1976-2003).
- Approximate equivalents: 60 mph ≈ 96.56 km/h ≈ 26.82 m/s ≈ 88 ft/s ≈ 52.14 knots.
Sources
About the Feet Per Second
Facts & Uses
- 1 ft/s = 0.3048 m/s exactly. Used in US engineering, ballistics, and some sports analytics where small instantaneous velocities matter.
- Standard for projectile velocities: rifle bullets 2000-3000 ft/s, handgun rounds 800-1500 ft/s, arrow speeds 250-350 ft/s.
- Used in baseball pitch tracking, wind speed measurements in some US engineering contexts, and fluid flow calculations.
- Convenient because of the simple ratio: 1 mph ≈ 1.467 ft/s, so 60 mph = 88 ft/s exactly — the highway speed-to-stopping-distance reference.
Curiosities
- 60 mph = 88 ft/s exactly because 1 mph = 5280/3600 ft/s = 22/15 ft/s, and 60 × 22/15 = 88. A useful mental conversion for US drivers.
- The speed of sound in dry air at 20 °C is about 1125 ft/s — used in lightning distance estimation (every 5 seconds = 1 mile).
- A Major League Baseball fastball at 100 mph reaches the catcher's mitt at 146 ft/s — leaving the batter only ~0.4 seconds to react to the pitch.
- Approximate equivalents: 1 ft/s ≈ 0.3048 m/s ≈ 1.097 km/h ≈ 0.682 mph.
Sources
Frequently Asked Questions
How many feet per second are in one mile per hour?
One mile per hour equals 1.46667 feet per second. To convert, multiply the mile per hour value by 1.46667. For the reverse, divide the feet per second value by 1.46667 (or multiply by 0.681818).
What is 100 miles per hour in feet per second?
100 miles per hour = 146.67 feet per second. This is one of the most commonly searched conversions for this pair.
How precise is the mile per hour-to-feet per second conversion?
The factor 1.46667 is accurate to 6 significant figures, derived from international measurement standards. Our calculator uses full precision internally.
Looking for the reverse? Convert Feet Per Second to Mile Per Hour
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