Conversion between English and Metric of various units

1 inch = 25.4 millimetres
1 foot = 12 inches = 0.3048 metre
1 yard = 3 feet = 0.9144 metre
1 (statute) mile = 1760 yards
=1.609 kilometres kilometers
1 nautical mile = 1852 m.

Square Measure area unit:

1 square inch = 6.45 sq. centimetres
1 square foot = 144 sq.in. square inches
=9.29 sq.decimetres
1 square yard = 9 sq.ft. square feet
=0.836 sq.metre
1 acre = 4840 sq.yd. square yard = 0.405 hectare
1 square mile = 640 acres
=259 hectares

Cubic Measure volume unit:

1 cubic inch = 16.4 cu.centimetres
1 cubic foot = 1728 cu.in. cubic inch
=0.0283 cu.metre
1 cubic yard = 27 cu.ft. cubic feet
=0.765 cu.metre

Capacity Measure:

Britich Imperial

1 pint = 20 fluid oz. fluid oz.
=34.68 cu.in. cubic inch = 0.568 litre
1 quart = 2 pints = 1.136 litres
1 gallon = 4 quarts = 4.546 litres
1 peck = 2 gallons = 9.092 litres
1 bushel = 4 pecks = 36.4 litres
1 quarter eight bushels = 8 bushels
=2.91 hectolitres hectolitres

American dry

1 pint = 33.60 cu.in. cubic inch = 0.550 litre
1 quart = 2 pints = 1.101 litres
1 peck = 8 quarts = 8.81 litres
1 bushel = 4 pecks = 35.3 litres

American liquid

1 pint = 16 fluid oz. fluid oz.
=28.88 cu.in. cubic inch = 0.473 litre
1 quart = 2 pints = 0.946 litre
1 gallon = 4 quarts = 3.785 litres

Avoirdupois Weight unit:

1 grain = 0.065 gram
1 dram dram = 1.772 grams
1 ounce=16 drams=28.35 grams
1 pound=16 ounces=7000 grains
=0.4536 kilogram
1 stone=14 pounds=6.35 kilograms
1 quarter a quarter of a hundredweight = 2 stones
=12.70 kilograms
1 hundredweight = 4 quarters
=50.80 kilograms
1 short ton = 2000 pounds
=0.907 tonne
1 (long) ton = 20 hundredweight
=1.016 tonnes

1 millimetre = 0.03937 inch
1 centimetre = 10 mm. Millimeter = 0.3937 inch
1 decimetre = 10 cm. Centimeter = 3.937 inches
1 metre = 10 dm. Decimeter = 1.0936 yards = 3.2808 feet
1 decametre = 10 m. Meter = 10.936 yards
1 hectometre = 100 m. Meter = 109.4 yards
1 kilometre = 1000 m. Meter = 0.6214 mile
1 mile marin nautical mile=1852 m. meter=1.1500 mile mile

Square Measure area unit:

1 square centimetre = 0.155 sq.inch
1 square metre = 1.196 sq.yards
1 are are=100 square metres
=119.6 sq.yards
1 hectare = 100 ares = 2.471 acres
1 square kilometre = 0.386 sq.mile

Cubic Measure volume unit:

1 cubic centimetre = 0.061 cu.inch
1 cubic metre = 1.308 cu.yards
Capacity Measure
1 millilitre = 0.002 pint (British) British product off
1 centilitre = 10 ml. Millilitre = 0.018 pint
1 decilitre = 10 cl. Centiliter = 0.176 pint
1 litre = 10 dl. Deciliter = 1.76 pints
1 decalitre = 10 l. liters = 2.20 gallons
1 hectolitre = 100 l. liter = 2.75 bushels
1 kilolitre = 1000 l. liters = 3.44 quarters eight bushels

Weight unit:

1 milligram = 0.015 grain
1 centigram = 10 mg. Milligram = 0.154 grain
1 decigram = 10 cg. centigram = 1.543 grains
1 gram = 10 dg. Decigram = 15.43 grains
1 decagram=10 g. Gram=5.64 drams
1 hectogram 100 grams=100 g. grams=3.527 ounces
1 kilogram = 1000 g. Gram = 2.205 pounds
1 ton (metric ton) ton, metric ton=1000 kg. kilogram
=0.984 (long) ton long ton, British ton = 1.1023 short ton, U.S. ton