Chaleur |
1 cal |
= 4.18 joules
= 3.967.10-3 Btu |
|
1 Btu |
= 1055.06 J
= 0.252 kcal |
|
1 th |
= 1000 kcal |
|
Puissance |
1 W |
= 1 J/s
= 0.860 kcal/h |
|
1 CV (cheval vapeur) |
= 735 W |
|
1 HP (horse power) |
= 745 W |
|
Température |
Conversion Celsius en Fahrenheit : |
°F = 9/5 ´ °C +32 |
|
Conversion Fahrenheit en Celsius : |
°C = (°F – 32) ´ 5/9 |
|
Température en 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 |
1 cm² |
= 0.155 sq.in |
|
1 sq.in (square inch) |
= 6.45 cm² |
|
Volume |
1 fl.oz (fluide ounce : UK) |
= 28.412 cm3 |
|
1 gal (gallon UK) |
= 4.545 dm3 (ou litre) |
|
1 gal (gallon USA) |
= 3.785 dm3 (ou litre) |
|
Pression |
1 atm |
= 1.013 bar
= 760 mm Hg
= 1.033 kg/cm²
= 101325 Pa |
|
Masse |
1 kg |
= 2.204 lb |
|
1 oz (ounce) |
= 28.34 g |
|
1 Po (pound) |
= 453.5 g
= 16 oz |
|