60
mph
96.5606
km/h
26.8224
m/s
1
min/mi
60
mph
96.5606
km/h
26.8224
m/s
1
min/mi
The Feet per Second to Miles per Hour Converter converts speed from ft/s to mph using the factor 1 ft/s = 0.681818 mph (since 1 mile = 5280 ft and 1 hour = 3600 s, so 3600/5280 = 0.681818...). This conversion is important in ballistics, sports science, physics education, and engineering.
Feet per second is commonly used in ballistics (bullet velocities), sports (pitch speed measurement), physics problems in US education, and some engineering applications. Converting to mph provides a more intuitive understanding of the speed.
The commonly used approximation 60 mph ≈ 88 ft/s is a useful benchmark (exact: 60 mph = 88 ft/s). This means doubling ft/s from 44 to 88 doubles the speed from 30 to 60 mph.
Our converter also provides km/h and m/s for international and scientific use.
The formula: mph = ft/s × 3600/5280 = ft/s × 0.681818.... The exact fraction is 15/22. For km/h: km/h = ft/s × 1.09728. For m/s: m/s = ft/s × 0.3048 (exact).
Key benchmarks: 44 ft/s = 30 mph, 88 ft/s = 60 mph, 100 ft/s = 68.18 mph, 1100 ft/s ≈ 750 mph (speed of sound). A baseball fastball at 100 mph = 146.67 ft/s.
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88 ft/s = 60 mph — the classic benchmark
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2500 ft/s = 1,705 mph — rifle bullet
1 ft/s = 0.6818 mph (exactly 15/22 mph).
88 ft/s = exactly 60 mph. This is a commonly used exact benchmark.
Multiply by 0.6818 (or divide by 1.4667). Alternatively, multiply by 15/22.
A 95 mph fastball = 139.3 ft/s. A 100 mph pitch = 146.7 ft/s.
The speed of sound at 20°C is approximately 1,125 ft/s (343 m/s).
100 ft/s = 68.18 mph.
Because 60 × 5280/3600 = 88. The numbers work out exactly: 60 miles × 5280 ft/mile ÷ 3600 s/hr = 88 ft/s.
Typical bullet speeds: handgun 700-1500 ft/s, rifle 2000-4000 ft/s, shotgun slug 1200-1800 ft/s.
1 m/s = 3.28084 ft/s (since 1 m = 3.28084 ft).
Ft/s is used for fluid flow rates, wind tunnel measurements, and HVAC duct velocities in US engineering practice.
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