55 Threads per inch = 21.653543 Threads per centimeter

Weight

34 Kilogram

74.95723 Pound

kg → lb

Photography

53 Iso

53 Asa

ISO → ASA

Inductance

4 Millihenry

0.004 Henry

mH → H

Pressure

18 Bar

261.067825 PSI

bar → psi

Electric voltage

51 Nanovolt

0.051 Microvolt

nV → μV

Power

28 Refrigeration ton

98.4718 Kilowatt

RT → kW