Foot per Second to Mile per Hour Converter
Enter a value to instantly convert between speed units.
1 Foot per Second = 0.6818 Mile per Hour
Key Formulas
Kilometer per Hour → Mile per Hour
mph = km/h × 0.621371Mile per Hour → Kilometer per Hour
km/h = mph × 1.60934Knot → Mile per Hour
mph = kn × 1.15078Mile per Hour → Knot
kn = mph × 0.868976Formula
mph = ft/s × 0.6818182Feet per second is used in physics experiments, sports analytics (baseball pitch speed, running velocity), and ballistics testing. Converting to miles per hour gives results in the familiar US speed scale, making it easy to communicate with non-technical audiences and compare athletic performance against common reference points.
Source: NIST SP 811, Table B.8
Frequently Asked Questions
Real-World Examples
A racing cyclist at 88 ft/s = 60 mph — speeds typical of downhill sprints on professional courses.
88 ft/s = 60 mph
A baseball pitcher throws at 95 ft/s = 64.8 mph — above-average fastball in professional baseball.
95 ft/s = 64.8 mph
A tennis serve at 130 ft/s = 88.6 mph — competitive professional serve speed.
130 ft/s = 88.6 mph
A golf ball off the driver at 147 ft/s = 100.2 mph — typical PGA Tour carry speed.
147 ft/s = 100.2 mph