Thermodynamic Unit Conversions
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Thermodynamic Unit Conversions MASS & DENSITY 1 kg 2.2 lb 1 g/cm 3 10 3 kg/m 3 1 g/cm 3 62.428 lb/ft 3 1 lb 0.454 kg 1 lb/ft 3 0.016 g/cm 3 LENGTH 1 cm 0.39 in 1m 3.28 ft 1 in 2.54 cm 1 ft 0.305 m PRESSURE 1 Pa 1 N/m 2 1 Pa 1.45 ×10 -4 lbf/in 2 1 bar 10 5 N/m 2 1 atm 1.01 bar 1 atm 14.696 lbf/in 2 1 lbf/in 2 6894.8 Pa 1 lbf/in 2 144 lbf/ft 2 FORCE 1N 1 kg·m/s 2 1N 0.225 lbf 1 lbf 32.2 lb·ft/s 2 1 lbf 4.45 N ENERGY 1J 1N·m 1J 0.738 ft·lbf 1 kJ 737.56 ft·lbf 1 kJ/kg 0.43 Btu/lb 1 ft·lbf 1.356 J 1 Btu 778.17 ft·lbf 1 Btu 1.055 kJ 1 Btu/lb 2.326 kJ/kg 1 kcal 4.1868 kJ POWER 1W 1 J/s 1W 3.413 Btu/h 1kW 1.341 hp 1 Btu/h 0.293 W 1 hp 2545 Ntu/h 1 hp 550 ft·lb/s 1 hp 0.746 kW TEMPERATURE K ◦ C ◦ R ◦ F Steam 373 100 672 212 Ice 273 0 492 32 Absolute 0 -273 0 -462 ◦ R = 1.8(K) ◦ C = K - 273 ◦ F= ◦ R - 459.67 ◦ F = 1.8( ◦ C) + 32
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Basic unit conversions for introductory engineering thermodynamics.
Transcript of Thermodynamic Unit Conversions
ThermodynamicUnit Conversions
MASS & DENSITY1 kg 2.2 lb
1 g/cm3 103 kg/m3
1 g/cm3 62.428 lb/ft3
1 lb 0.454 kg
1 lb/ft3 0.016 g/cm3
LENGTH1 cm 0.39 in
1 m 3.28 ft
1 in 2.54 cm
1 ft 0.305 m
PRESSURE1 Pa 1 N/m2
1 Pa 1.45 ×10−4 lbf/in2
1 bar 105 N/m2
1 atm 1.01 bar
1 atm 14.696 lbf/in2
1 lbf/in2 6894.8 Pa
1 lbf/in2 144 lbf/ft2
FORCE1 N 1 kg·m/s2
1 N 0.225 lbf
1 lbf 32.2 lb·ft/s21 lbf 4.45 N
ENERGY1 J 1 N·m1 J 0.738 ft·lbf1 kJ 737.56 ft·lbf
1 kJ/kg 0.43 Btu/lb
1 ft·lbf 1.356 J
1 Btu 778.17 ft·lbf1 Btu 1.055 kJ
1 Btu/lb 2.326 kJ/kg
1 kcal 4.1868 kJ
POWER
1 W 1 J/s
1 W 3.413 Btu/h
1kW 1.341 hp
1 Btu/h 0.293 W
1 hp 2545 Ntu/h
1 hp 550 ft·lb/s1 hp 0.746 kW
TEMPERATURE
K ◦C ◦R ◦F
Steam 373 100 672 212
Ice 273 0 492 32
Absolute 0 -273 0 -462
◦R = 1.8(K)◦C = K - 273
◦F = ◦R - 459.67◦F = 1.8(◦C) + 32
