Factores de conversion
1 m = 3.2808 ft =1.0927 yd 1 ft = 12 in = 0.3048 m 1 milla = 5280 ft = 1.6093 km 1 in = 2.54 cm 1 kg = 2.2046226 lbm 1 onza = 28.3495 g 1 slug = 32.174 lbm = 14.5939 kg T(R) = T(°F)+459.67 = 1.8 T(K) T(°F) = 1.8 T(°C)+32ΔT(°F) = ΔT(R) = 1.8 Δ T(K) 1 lbf = 32.74 lbm·ft/s²=4.44822 N 1 Btu = 1.055056 kJ = 5.40395 psia·ft³=778.169 lbf·ft 1 Btu/lbm = 2.326 kJ/kg = 25,037 ft²/s² 1 kWh = 3412.14 Btu 1 kW = 3412.14 Btu/h =737.56 lbf·ft/s 1 hp = 0.7457 kW = 550 lbf·ft/s = 0.7068 Btu/s = 42.41 Btu/min = 2544.5 Btu/h 1 Btu/h = 1.055056 kJ/h 1 hp de caldera = 33,475 Btu/h 1 ton de refrigeración = 200 Btu/min 1 W/m² =0.3171 Btu/h·ft² 1 W/m²·°C = 0.17612 Btu/h·ft²·°F 1 Pa = 1.4504 × 10-4 psia = 0.020886 lbf/ft² 1 psi = 144 lbf/ft² = 6.894757 kPa 1 atm = 14.696 psia = 29.92 in Hg a 30°F 1 in Hg = 3.387 kPa 1 kJ/kg·°C =0.23885 Btu/lbm·°F 1 galón = 231 in³ = 3.7854 L = 128 fl onzas 1 fl onza = 0.0295735 L 1 m³/s = 15,850 gal/min (gpm) = 35.315 ft³/s = 2118.9 ft³/min 1 W/m·°C = 0.57782 Btu/h·ft·°F
MasaTemperatura
T, tera G, giga M, mega k, kilo h, hecto da, deca d, deci c, centi m, mili µ, micro n, nano p, pico
1012 109 106 103 102 101 10-1 10-2 10-3 10-6 10-9 10-12
Fuerza Energía, calor, trabajo,energía interna, entalpía
Potencia
Fuerza
1 N = 1 kg·m/s² 1 kgf = 9.80665 N 1 J = 1 N·m 1 kJ = 1 kPa·m³ 1 kJ/kg = 1000 m²/s² 1 kWh = 3600 kJ 1 cal = 4.1868 J 1 Cal = 4.1868 kJ 1 W = 1 J/s 1W/cm² = 104 W/m² 1 W/m²·°C = 1 W/m²·K Calor específico Volumen Flujo de calor Coeficiente de transferencia de calor Presión
Energía, calor, trabajo, energía interna, entalpía
Potencia Flujo decalor Coeficiente de transferencia de calor Presión
1 Pa = 1 N/m² 1 atm = 101.325 kPa = 1.01325 bars = 760 mm Hg a 0°C = 1.03323 kgf/cm² = 10.3323 m H20 (4 °C) 1 kJ/kg·°C = 1 kJ/kg ·K 1 m³ = 1000 L...
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