08.12.2014 Practical tools

Converting units of measurement

Length, volume, density, surface…

Length
1 inch (in)	0, 0254 m
1 foot (ft)	12 inches	0,3048 m
1 yard (yd)	3 feet	0,9143 m
1 mile	1,760 yards	1609 m
1 nautical mile	1852 m
1 metre (m)	39,37 inches	3,28084 feet	1,09361 yard

Volume
1 cubic inch (cu in)	16,387064cm²
1 cubic foot (cu ft)	0,028317 m³	28,31685 dm³
1 cubic yard (cu yd)	0,76455 m³
1 pint	0,568 l
1 gallon-imp	4,546 l
1 gallon (US gal)	3,78541 l or dm³
1 cubic metre (m³)	35,31467 cu ft
1 cubic decimetre (dm³)	0,26428 gal
1 litre (l)	1 dm³

Density
1 cu.ft/lb	62,43 dm³/kg
1 US gallon/pound	8,3 dm³/kg

Mass
1 ounce(oz)	28,349 g
1 pound (lb)	16 oz	0,4536 kg
1 quintal U.S	100 lbs
1 centweight	112 lbs
1 short ton(US)	2000 lbs	907,18 kg
1 long ton (G.-B.)	2240 lbs	1016,04 kg
1 quintal (q)	100 kg
1 ton (t)	1000 kg

Density
1 pound /cu.ft	0,016 kg /dm³

Surface
1 square inch	6,4516 cm²
1 square foot	0,0929 m²
1 square yard	0,8361 m²
1 square metre	1550 in²	10,76391 ft²

Energy-Heat measurement
1 cal	4,18 Joules
1 B.T.U	0,252 kcal	1055 Joules
1 B.T.U/lb.° F	1 kcal / kg.° C
1 kcal	1 milithermie
1 fg/h	-1kcal/h
1 kcal/h	1,163 W
1 Btu/hr	0,293 W
1 Ton (US)	3024 kcal / h	3512 W
1 ton (G.-B.)	3340 Kcal/ h	3878 W
1 Watt (thermic)	0,86 kcal/h

° Farenheit =° C x 9/5 + 32
° Celsius =(°F-32) x 5/9
° Celsius = T (Kelvin) – 273,15

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