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Weights and Measures Equivalents and Conversions

By Susan E. Fielder, DVM, MS, DACVP (Clinical Pathology), Clinical Assistant Professor, Department of Pathobiology, Center for Veterinary Health Sciences (CVHS), Oklahoma State University

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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