Conversion factors
Metric to U.S. or IMP. conversion factors: U.S. or IMP. to metric conversion factors:
To convert To convert
from To Multiply by from To Multiply by
Length mm inch 0.03937 inch mm 25.40
cm inch 0.3937 inch cm 2.540
m foot 3.2808 foot m 0.3048
Area mm² sq.in. 0.00155 sq. in. mm² 645.2
m² sq. ft. 10.76 sq. ft. m² 0.093
Volume cm³ cu. in. 0.06102 cu. in. cm³ 16.388
litre, dm³ cu. ft. 0.03531 cu. ft. litre, dm³ 28.320
litre, dm³ cu. in. 61.023 cu. in. litre, dm³ 0.01639
litre, dm³ imp. gallon 0.220 imp. gallon litre, dm³ 4.545
litre, dm³ U.S. gallon 0.2642 U.S. gallon litre, dm³ 3.785
m³ cu. ft. 35.315 cu.ft. m³ 0.0283
Force N lbf 0.2248 lbf N 4.448
Weight kg lb. 2.205 lb. kg 0.454
Power kW hp (metric)
1)
1.36 hp (metric)
1)
kW 0.735
kW bhp 1.341 bhp kW 0.7457
kW BTU/min 56.87 BTU/min kW 0.0176
Torque Nm lbf ft 0.738 lbf ft Nm 1.356
Pressure Bar psi 14.5038 psi Bar 0.06895
MPa psi 145.038 psi MPa 0.006895
Pa mm Wc 0.102 mm Wc Pa 9.807
Pa in Wc 0.004 in Wc Pa 249.098
kPa in Wc 4.0 in Wc kPa 0.24908
mWg in Wc 39.37 in Wc mWg 0.0254
Energy kJ/kWh BTU/hph 0.697 BTU/hph kJ/kWh 1.435
Work kJ/kg BTU/lb 0.430 BTU/lb kJ/kg 2.326
MJ/kg BTU/lb 430 BTU/lb MJ/kg 0.00233
kJ/kg kcal/kg 0.239 kcal/kg kJ/kg 4.184
Fuel g/kWh g/hph 0.736 g/hph g/kWh 1.36
consump. g/kWh lb/hph 0.00162 lb/hph g/kWh 616.78
Inertia kgm² lbft² 23.734 lbft² kgm² 0.042
Flow, gas m³/h cu.ft./min. 0.5886 cu.ft./min. m³/h 1.699
Flow, liquid m³/h US gal/min 4.403 US gal/min m³/h 0.2271
Speed m/s ft./s 3.281 ft./s m/s 0.3048
mph knots 0.869 knots mph 1.1508
Temp. °F=9/5 x °C+32 °C=5/9 x (°F–32)
1) All hp figures stated in the catalogue are metric.
9
EVC-C General information