Conversion Tables

Common Metric/Imperial conversion ratios.

Length
Metric to ImperialImperial to Metric
1 mm = 0.039 in1 in = 25.4 mm
1 m = 3.28 ft1 ft = 0.305 m
1 km = 0.621 mi1 mi = 1.61 km
Mass
Metric to ImperialImperial to Metric
1 mg = .000035 oz1 oz = 28349.5 mg
1 g = 0.002 lb1 lb = 454 g
1 kg = 2.2 lb1 lb = 0.45 kg
Volume
Metric to ImperialImperial to Metric
1 mL = 0.034 fl. oz1 fl. oz = 29.57 mL
1 L = 4.22 c1 c = .237 L
1 gal = 3.79 L1 L = 0.264 gal