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Technical data of solids, liquids and gases


Technical data > Technical data of solids, liquids and gases

 
Heat
1 cal = 4.18 joules
= 3.967.10-3 Btu
1 Btu = 1055.06 J
= 0.252 kcal
1 th = 1000 kcal

 

Power
1 W = 1 J/s
= 0.860 kcal/h
1 CV (cheval vapeur) = 735 W
1 HP (horse power) = 745 W

 

Temperature
Conversion from Celsius to Fahrenheit : °F = 9/5 ´ °C +32
Conversion from Fahrenheit to Celsius : °C = (°F – 32) ´ 5/9
Temperature in Kelvin :  K = °C + 273

 

Dimensions
1 in  =0.084 ft
 =2.54 mm
1 ft  =30.5 cm
 =12 in
 =0.33 yd
1 m  =3.28 ft
 =39.37 in
 =1.0936 yd
1 yd  = 0.914 m
 = 3 ft
 = 36 in

 

Surface area
1 cm² = 0.155 sq.in
1 sq.in (square inch) = 6.45 cm²

 

Volume
1 fl.oz (fluid ounce : UK)  = 28.412 cm3
1 gal (UK gallon)  = 4.545 dm3 (or litre)
1 gal (US gallon)  = 3.785 dm3 (or litre)

 

Pressure
1 atm  = 1.013 bar
 = 760 mm Hg
 = 1.033 kg/cm²
 = 101325 Pa

 

Weight
1 kg  = 2.204 lb
1 oz (ounce)  = 28.34 g
1 Po (pound)  = 453.5 g
 = 16 oz