Unit Conversions

Length

1 ft = 0.3048 m
1 in = 1000 mil (linear mil)

Area

1 acre = 4046.856 sq m
1 in^2 = 1.273240e+06 circular mil (the area expressed in mil)

Mass

16 oz = 1 lb
1 kg = 2.204623 lb
1 lb = 0.45359237 kg

Force

1 lbf (i.e., weight of 1 lb of mass) = 1 * 32.17405 lb ft/s^2
1 lbf = 32.17405*0.45359237*0.3048 kg-m/s^2 = 4.448 222 N
1 N = 0.224 809 lbf
1 kgf = 9.80655 N
1 N = 1e05 dyne

Torque

1 oz-in = 0.0070 N-m
1 N-m = 142.08 oz-in
1 lbf-ft = 192 oz-in
1 N-m = 1.355818 lbf-ft

Pressure

1 Pa = 1 N/m^2

1 bar = 100,000 N/m^2

Standard acceleration of gravity (g)

32.17405 ft/s^2 = 9.80665 m/s^2