28 Revolution per Minute = 0.4666676 Hertz

Sound

13 Neper

112.91657 Decibel

Np → dB

Torque

71 Pound Force Foot

96.26322 Newton Meter

lbf·ft → N·m

Angle

90 Mil nato

5.062494 Degree

mil → °

Photography

38 Candela per square meter

11.090681 Foot lambert

cd/m² → fL

Electric voltage

81 Abvolt

8.100e-7 Volt

abV → V

Power

39 Horsepower boiler

382.5705 Kilowatt

hp(S) → kW