Metric

Imperial  

1 square centimetre

=

0.1550 square inches

1 square metre

=

1.1960 square yards

1 hectare

=

2.4711 acres

1 square kilometre

=

0.3861 square miles

Imperial

Metric

1 square inch

=

6.4516 square centimetres

1 square foot

=

0.0929 square metres

1 square yard

=

0.8361 square metres

1 acre

=

4046.9 square metres

1 square mile

=

2.59 square kilometres

Metric

Imperial  

1 millimetre

=

0.0394 inches

1 centimetre

=

0.3937 inches

1 metre

=

1.0936 yards

1 kilometre

=

0.6214 miles

Imperial

Metric

1 inch

=

2.54 centimetres

1 foot

=

0.3048 metres

1 yard

=

0.9144 metres

1 mile

=

1.6093 kilometres

Metric

Imperial  

1 cubic centimetre

=

0.0610 cubic inches

1 cubic decimetre

=

0.0353 cubic feet

1 cubic metre

=

1.3080 cubic yards

1 litre

=

1.76 pints

1 hectolitre

=

21.997 gallons

Imperial

Metric

1 cubic inch (in3)

=

16.387 cubic centimetres

1 cubic foot (ft3)

=

0.0283 cubic metres

1 fluid ounce (fl oz)

=

28.413 millilitres

1 pint (pt)

=

0.5683 litres

1 gallon (gal)

=

4.5461 litres

US Measures

Imperial  

1 fluid ounce (fl oz)

=

1.0408 UK fluid ounce

1 pint (pt)

=

0.8327 UK pints

1 gallon (gal)

=

0.8327 UK gallons

US Measures

Metric

1 fluid ounce (fl oz)

=

29.574 millilitres

1 pint (pt)

=

0.4731 litres

1 gallon (gal)

=

3.7854 litres

Metric

Imperial  

1 milligram

=

0.0154 grains

1 gram

=

0.0353 ounces

1 kilogram

=

2.2046 pounds

1 tonne

=

0.9842 tons

Imperial

Metric

1 ounce (oz)

=

28.35 grams

1 pound (lb)

=

0.4536 kilograms

1 stone

=

6.3503 kilograms

1 hundredweight (cwt)

=

50.802 kilograms

1 ton (t)

=

1.016 tonnes