Feet per second (ft/s)
The foot per second is used in the US for bullet and projectile velocities, water flow and engineering.
Convert feet per second to any speed unit
1 foot per second = 1.09728 kilometers per hour
Quick facts
- Unit
- Foot per second (plural: feet per second)
- Symbol
- ft/s
- Measures
- Velocity / Speed
- System
- Common
- Equals
- 0.3048 meters per second
- Definition
- Exactly 0.3048 m/s.
- Also written
- fps
1 foot per second in other units
| Kilometers per hour | 1.09728 km/h |
| Miles per hour | 0.6818181818 mph |
| Meters per second | 0.3048 m/s |
| Knots | 0.5924838013 kn |
| Mach (sea level) | 0.000895706603 Ma |
| Speed of light | 1.0167034 × 10-9 c |
| Beaufort force | 0.5103550974 Bft |
| Feet per minute | 60 ft/min |
What is a foot per second?
The foot per second is used in the US for bullet and projectile velocities, water flow and engineering. A muzzle velocity of 3,000 ft/s is about 914 m/s.
Where the foot per second sits among speed units
The foot per second is number 20 of 41 on our scale of speed units, ordered from smallest to largest.
Feet per second in real life
- A 9 mm bullet leaves the barrel at about 1,200 ft/s
- Sound travels at about 1,125 ft/s
Top foot per second conversions
- Feet per second to kilometers per hour
- Feet per second to miles per hour
- Feet per second to meters per second
- Feet per second to knots
- Feet per second to Mach (sea level)
- Feet per second to speed of light
- Feet per second to Beaufort force
- Feet per second to feet per minute
- Feet per second to kilometers per second
Common amounts of feet per second
- 0.25 ft/s
- 0.5 ft/s
- 0.75 ft/s
- 1 ft/s
- 1.5 ft/s
- 2 ft/s
- 2.5 ft/s
- 3 ft/s
- 4 ft/s
- 5 ft/s
- 6 ft/s
- 7 ft/s
- 8 ft/s
- 9 ft/s
- 10 ft/s
- 11 ft/s
- 12 ft/s
- 13 ft/s
- 14 ft/s
- 15 ft/s
- 16 ft/s
- 17 ft/s
- 18 ft/s
- 19 ft/s
- 20 ft/s
- 21 ft/s
- 22 ft/s
- 23 ft/s
- 24 ft/s
- 25 ft/s
- 26 ft/s
- 27 ft/s
- 28 ft/s
- 29 ft/s
- 30 ft/s
- 31 ft/s
- 32 ft/s
- 33 ft/s
- 34 ft/s
- 35 ft/s
- 36 ft/s
- 37 ft/s
- 38 ft/s
- 39 ft/s
- 40 ft/s
- 41 ft/s
- 42 ft/s
- 43 ft/s
- 44 ft/s
- 45 ft/s
- 46 ft/s
- 47 ft/s
- 48 ft/s
- 49 ft/s
- 50 ft/s
- 60 ft/s
- 70 ft/s
- 80 ft/s
- 90 ft/s
- 100 ft/s
- 150 ft/s
- 200 ft/s
- 250 ft/s
- 300 ft/s
- 400 ft/s
- 500 ft/s
- 750 ft/s
- 1,000 ft/s
Convert feet per second to all 43 other units
Common
Metric
US & imperial
- ft/s to in/s
- ft/s to mi/min
- ft/s to mi/s
- ft/s to furlong per fortnight
- ft/s to in/h
- ft/s to in/min
- ft/s to yd/s
- ft/s to Admiralty knot
- ft/s to ft/d
- ft/s to ft/h
- ft/s to in/d
- ft/s to yd/min
- ft/s to ftm/min
- ft/s to yd/h
Physics & astronomy
- ft/s to c
- ft/s to escape velocity (Earth)
- ft/s to Earth orbital speed
- ft/s to au/d
- ft/s to a₀Eh/ħ
- ft/s to pc/Myr
Wind scales
Everyday comparisons
Convert to feet per second
- Kilometers per hour to feet per second
- Miles per hour to feet per second
- Meters per second to feet per second
- Knots to feet per second
- Mach (sea level) to feet per second
- Speed of light to feet per second
- Beaufort force to feet per second
- Feet per minute to feet per second
- Kilometers per second to feet per second
Frequently asked questions
What is a foot per second?
The foot per second is used in the US for bullet and projectile velocities, water flow and engineering.
How is the foot per second defined?
Exactly 0.3048 m/s.
How many kilometers per hour are in a foot per second?
One foot per second equals 1.09728 kilometers per hour.
How many miles per hour are in a foot per second?
One foot per second equals 0.6818181818 miles per hour.
How many meters per second are in a foot per second?
One foot per second equals 0.3048 meters per second.