Conversão de unidades
Quantity
Equivalent Values
Mass
1 kg = 1000 g = 0,001 ton = 2,20462 lbm = 35,27392 oz
1 lbm = 16 oz = 5x104 ton = 453,593 g = 0,453593 kg
Lenght
1 m = 100 cm = 1000 mm = 106 microns (μm) = 1010 angstroms (Å)
= 39,37 in = 3,2808 ft = 1,0936 yd = 0,0006214 mile
1 ft = 12 in = 1/3 yd = 0,3048 m = 30,48 cm
Volume
1 m3 = 1000 L = 106 cm3 = 106 mL
= 35,3145 ft3 = 220,83 imperial gallons = 264,17 gal
= 1056,68 qt
1 ft3 = 1728 in3 = 7,4805 gal = 0,028317 m3 = 28,317 L
= 28,317 cm3
Force
1 N = 1 kg.m/s2 = 105 dynes = 105 g.cm/s2 = 0,22481 lbf =
0,10197 kgf
1 lbf = 32,174 lbm.ft/s2 = 4,4482 N = 4,4482x105 dynes
Pressure
1 atm = 1,01325x105 N/m2 (Pa) = 101,325 kPa = 1,01325 bar
= 1,01325x106 dynes/cm2 = 1,033 kgf/cm2 = 10330 kgf/m2
= 760 mmHg at 0°C (torr) = 10,333 mH2O at 4°C
= 14,696 lbf/in2 (psi) = 33,9 ft H2O at 4°C
= 29,921 in Hg at 0°C
Energy
1 J = 1 N.m = 107 ergs = 107 dynes.cm
= 2,778x10-7 kW.h = 0,23901 cal
= 0,7376 ft.lbf = 9,486x10-4 Btu
Power
1 W = 1 J/s = 0,23901 cal/s = 0,7376 ft.lbf/s = 9,486x10-4 Btu/s
= 1,341x10-3 hp
Temperature
T (K) = T (°C) + 273,15
T (R) = T (°F) + 459,67
T (R) = 1,8 T (K)
T (°F) = 1,8 T (°C) + 32
1 °C = 1,8 °F
1 °C = 1 K
1 K = 1,8 R
1 °F = 1 R
Viscosity
1 Poise = 1 dynes/cm2.s = 0,1 Pa.s
1 cPoise = 0,001 Pa.s
gc
gc = 1 (kg.m/s2)/N = 1 (g.cm/s2)/dynes = 32,174 (lbm.ft/s2)/lbf
Extras
1 bar = 100 kPa
1 bar = 0,1 MPa
1 kPa = 0,001 MPa
J = Pa.m3
1 kJ/kg = 1000 m2/s2
The Gás Constant
8,314
m3.Pa/mol.K
0,08314
L.bar/mol.K
0,08206
L.atm/mol.K
62,36
L.mmHg/mol.K
0,7302
ft3.atm/lb.mole.°R
10,73
ft3.psia/lb.mole.°R
8,314
J/mol.K
1,987
cal/mol.K
1,987
Btu/lb.mole.°R
