# Units of measurement and unit equivalent

#### Units for lenght

 1 inch = 25.4 mm 1 foot = 12 inches = 0.3048 m 1 yard = 3 feet = 0.924399 m 1 terestrian mile = 1760 yards = 1609.344 m 1 marine mile = 1853 m 1 league = 4 452 m 1 marine leage = 5 555.55 m 1 roman foot = 0.296 m

#### Units for surface

 1 ha (hectar) = 1 hm2 = 10 000 m2 1 pogon = 5 011.7891 m2 1 acre = 4 849 square yards = 0.4047 ha 1 square mile = 640 acres = 258.97 ha

#### Units for volume

 1 cubic inch = 16.387 cm3 1 l (liter) = 1 000 cm3 = 1 dm3 1 galon = 4 549 liters 1 barel = 36 galons = 163.656 liters

#### Units for mase

 1 kg = 1 000 g (grams) 1 q (quintal) = 100 kg 1 t (tone) = 1 000 kg = 10 q 1 ounce = 16 drahms = 28.35 g
##### Other units
 1 rad/s = 9.5493 rot/min 1 rot/min = 0.1947 rad/s
Keywords: SI unit equivalent, meter, kilometer and its multiples, mercy ounce gram, kilogram and its sub-multiples.

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