81 Degree per second = 0.22500018 Hertz

Torque

2 Ounce force inch

0.0141273 Newton Meter

ozf·in → N·m

Concentration

2 Equivalent per liter

2,000.00 Milliequivalent per liter

eq/L → meq/L

Magnetic field

74 Weber per square meter

74 Tesla

Wb/m² → T

Area

21 Square Foot

1.950963 Square Meter

ft² → m²

Electric conductance

33 Reciprocal ohm

33 Siemens

1/Ω → S

Energy

89 Joule

21.271511 Calorie

J → cal