Factores de conversion


Factores de Conversión


Dimensión
Métrico
Métrico/Ingles

Longitud
1 m = 100 cm = 1000 mm
1 m = 3,28083 pie = 39,37 pulg
1 pie = 0,3048 m = 12 pulg = 30,48 cm
1 pulg = 2,54 cm 1cm= 0,3937 pulg
1 mi = 5280 pie = 1,6093 km

Aceleración
1 m/s2 = 100 cm/s2
1 m/s2 = 3,2808 pies/s2
1 pie/s2 = 0,3048 m/s2

Área
1 m2 = 104 cm2 = 106 mm2 = 10-6 Km2
1 m2 = 1550 pulg2 = 10,764pies2
1 pie2 = 144 pulg2 = 0,09290304 m2

Densidad
1 g/cm3 = 1 kg/L = 1000 kg/m3
1 g/cm3 = 62,428 lb/pie3 = 0,036127 lb/pulg3
1 lb/pulg3 = 1728 lb/pie3
1 kg/m3 = 0,062428 lb/pie3

Energía,Calor, Trabajo
Energía interna
Entalpía
1 kJ = 1000 J = 1000 N.m = 1 Kpa.m3
1 kJ/kg = 1000 m2/s2
1 kWh = 3600 kJ
1 cal = 4,184 J
1 IT cal = 4.1868 J
1 kJ = 0,94782 Btu
1 Btu = 1,055056 kJ =5,40395 psia.pie3 = 778,169 lbf.pie
1 Btu/lb = 25,037 pie2/s2 = 2,326 kJ/kg
1 kJ/kg = 0,430 Btu/lb
1 kWh = 3412,14 Btu

Fuerza
1 N = 1 kg.m/s2 = 105 dinas
1 kgf = 9,80665 N

1 N = 0,22481 lbf1 lbf = 32,174 lb.pie/s2 = 4,44822 N
Flujo de calor
1 W/cm2 = 104 W/m2
1 W/m2 = 0,3171 Btu/h. pie2

Coeficiente de transferencia de calor
1 W/m2 oC = 1 W/m2 oK
1 W/m2 oC = 0,17612 Btu/h pie2 oFMasa
1 kg = 1000 g
1 Ton metrica = 1000 kg
1 kg = 2,2046226 lb
1 lb = 0,45359237 kg
1 onza = 28,3495 g
1 slug = 32,174 lb = 14,5939 kg
1 Ton corta = 1000 lb = 907,1847 kg

Potencia,Velocidad de transferencia de calor
1 W = 1 J/s
1 kW = 1000 W = 1,341 hp
1 hp = 745,7 W
1 kW = 3412,14 Btu/h = 737,56 lbf. Pie/s
1 hp = 550 lbf pie/s = 0,7068 Btu/s =
42,41 Btu/min = 2544,5 Btu/h =0,7457 kW
1 hp caldera = 33,475 Btu/h
1 Btu/h = 1,055056 kJ/h
1 Ton de refrigeración = 200 Btu/min

Presión
1 Pa = 1 N/m2
1 kPa = 1000 Pa = 10-3 MPa
1 atm = 101,325 kPa = 1,01325 bars =
760 mmHg a 0 oC = 1,03323 kgf/cm2
1 mm Hg = 0,1333 kPa
1 Pa = 1,4504x10-4 psia = 0,020886 lbf/pie2
1 psi = 144 lbf/pie2 = 6,894757 kPa
1 atm = 14,696 psia =29,92 pulg Hg a 30 oF
1 pulg Hg = 3,387...