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Convert Calc

Miles per Hour to Feet per Second Converter

Enter a value to instantly convert between speed units.

Precision4 dp

1 Mile per Hour = 1.4667 Foot per Second

Key Formulas

Kilometer per Hour → Mile per Hour

mph = km/h × 0.621371

Mile per Hour → Kilometer per Hour

km/h = mph × 1.60934

Knot → Mile per Hour

mph = kn × 1.15078

Mile per Hour → Knot

kn = mph × 0.868976

Formula

ft/s = mph × 1.46667

One mile per hour equals 1.4667 feet per second. Since 1 mile = 5280 feet and 1 hour = 3600 seconds, the conversion is 5280 ÷ 3600 = 1.4667 ft/s per mph. Used in US engineering, sports, and ballistics.

Source: NIST SP 811

Frequently Asked Questions

Real-World Examples

60 mph equals 88 ft/s — highway speed.

60 mph = 88 ft/s

100 mph equals 146.67 ft/s.

100 mph = 146.67 ft/s

30 mph equals 44 ft/s.

30 mph = 44 ft/s

1 mph equals 1.467 ft/s.

1 mph = 1.467 ft/s