21 Horsepower metric = 20.712753 Horsepower
21 PS = 20.712753 hp
Conversion Formula
1 PS = 0.98632158 hp
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Volume
27 Gallon (US)
102.20607 Liter
gal (US) → l
Acceleration
56 Meter per Second Squared
183.727034 Foot per Second Squared
m/s² → ft/s²
Amount of substance
89 Millimole
89,000.00 Micromole
mmol → μmol
Electric resistance
86 Abohm
8.600e-8 Ohm
abΩ → Ω
Energy
93 Foot pound
126.09126 Joule
ft·lb → J
Sound
50 Pascal
5.000e+7 Micropascal
Pa → μPa