ConstantID

Standard gravity g in ft/s² and other units

Standard gravity is exactly 9.806 65 m/s² by convention, and the foot is exactly 0.3048 m, so g in ft/s² is exact.

gn = 9.806 65 m s−2 about this constant →

UnitValue
ft/s2 feet per second squared32.174 048 5564exact
in/s2 inches per second squared386.088 582 677exact
cm/s2 centimetres per second squared (gal)980.665exact
km/h/s kilometres per hour per second35.303 94exact
mph/s miles per hour per second21.936 851 2885exact

How it is computed: 9.806 65 m/s² ÷ 0.3048 m/ft = 32.174 048 5564.

All values computed from the CODATA 2022 value and unit definitions (SI Brochure, NIST SP 811). Exact values are rounded only for display. Checks.

Other conversions