GENERAL INFORMATION 1-13
Prefi xes for units Units of Length
Prefi x Symbol Power Km × 0.6214 = mile
Mega M ×1000000 m × 3.281 = ft
Kilo k ×1000 mm × 0.03937 = in
Centi c ×0.01 Units of Torque
Milli m ×0.001 N·m × 0.1020 = Kgf·m
Micro μ ×0.000001 N·m × 0.7376 = Ft·lb
Units of Mass
N·m × 8.851 = In·lb
Kgf·m × 9.807 = N·m
Kg × 2.205 = Lb Kgf·m × 7.233 = Ft·lb
g × 0.03527 = oz Kgf·m × 86.80=In·lb
Units of Volume Units of Pressure
L × 0.2642 = gal (US) KPa × 0.01020 = Kgf/cm
2
L × 0.2200 = gl (imp) KPa × 0.1450 = psi
L × 1.057 = qt (US) KPa × 0.7501 = cmHg
L × 0.8799 = qt (imp) Kgf/cm
2
× 98.07 = KPa
L × 2.113 = pint (US) Kgf/cm
2
× 14.22 =
psi
L × 1.816 = pint(imp) cmHg
× 1.333 = KPa
mL × 0.03381 = oz (US)
Units of Speed
mL × 0.02816 = oz (imp)
mL×0.06102 = cuin Km/h×0.6214=mph
Units of Force
Units of Power
N × 0.1020 = Kg
Kw×1.360=PS
N × 0.2248 = Lb
Kw×1.341=HP
Kg × 9.807 = N
PS×0.7355=KW