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Weights and Measures Equivalents and Conversions

By

Susan E. Fielder

, DVM, MS, DACVP (Clinical Pathology), Oklahoma State University

Last full review/revision Oct 2015 | Content last modified Oct 2015
Topic Resources
Table
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Weights and Measures Equivalents and Conversions

Length

1 m = 39.37 in.

1 ft = 30.48 cm

1 yd = 91.44 cm

1 in. = 2.54 cm

Weighta

1 kg = 2.205 lb

1 lb = 0.454 kg

1 g = 0.035 oz

1 oz = 28.35 g

1 mg = 0.015 grain

1 grain = 64.8 mg

1 ton = 2,000 lb

1 metric ton = 1,000 kg = 2,205 lb

Capacity

Imperial system:

1 gal. = 3.785 L

1 gal. = 4.55 L

1 quart = 0.946 L

1 quart = 1.136 L

1 pint = 473.2 mL

1 pint = 568.26 mL

1 oz = 29.57 mL

1 tablespoon = 15 mL

1 teaspoon = 5 mL

a Avoirdupois (used in the USA as the common system of measuring weight) unless otherwise specified

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