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ft/s2\text{ft/s}^{2}

foot per second squared

Accelerationexact by definition

The foot per second squared is exactly 0.3048 m/s², following from the exact foot. It appears in American dynamics and ballistics work, where standard gravity is taken as 32.174 ft/s². The factor is exact by definition.

Watch out: US customary dynamics carries the conversion constant gc=32.174g_c = 32.174 lbm·ft/(lbf·s²) to reconcile pounds-mass with pounds-force. Dropping it, or applying it twice, is the standard failure mode of imperial dynamics calculations.

1 ft/s2\text{ft/s}^{2} 0.3048 m/s2\text{m/s}^{2}

One foot per second squared in every acceleration unit

30,480,000microgal (μGal)
30,480milligal (mGal)
304.8millimeter per second squared (mm/s²)
30.48centimeter per second squared (cm/s²)
30.48gal (Gal)
12inch per second squared (in/s²)
1.09728kilometer per hour per second (km/h/s)
1foot per second squared (ft/s²)this unit
0.681818mile per hour per second (mph/s)
0.3048meter per second squared (m/s²)
0.031081standard gravity (g)
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