ft3 x 0.0283 = m3
in x 0.0164 = liters
U.S. gallons x 3.785 = liters
in3 x 16.39 = cm3

in x 25.40 = mm
ft x 0.3048 = m

lb x 0.4536 = kg

psi x 0.0689 = bars
psi x 0.0703 = kg/cm2

m3 x 35.315 = ft3
liters x 61.02 = in3
liters x 0.2642 = U.S. gallons
cm3 x 0.06102 = in3

mm x 0.0394 = in
m x 3.281 = ft

kg x 2.2046 = lb

bars x 14.7 = psi
kg/cm3 x 14.223 = psi