Weights & Measures

Length
1 millimetre (mm) = 0.0394 in
1 metre (m) = 1000 mm = 1.0936 yds
1 kilometre (km) = 1000 m = 0.6214 mile
1 inch = 25.400 mm
1 yard = 36 inches = 0.9144 m
1 mile = 1.760 yards = 1.6093 km
Surface or Area
1 sq metre (m2) =10,000 cm2 = 1.1960 yds
1 hectare (ha) =10,000 m2 = 2.4711 acres
1 sq km (km2) =100 hectares = 0.3861 sq mile
1 sq yard =9 sq feet = 0.8361 m1
1 acre =4840 sq yards = 4046.9 m1
Capacity
1 cu dm (dm3) =1000 cm3 = 0.0351 cu ft
1 cu metre (m3) =1000 dm3 = 1.3080 cu yds
1 litre (I) =1 dm3 = 0.2200 gallon
1 cu yard =27 cu feet = 0.7646 m3
1 pint =4 gills = 0.5683 litre
1 gallon = 8 pints = 4.5461 litres
Weight
1 gramme (g) =1000 mg = 0.0353 oz
1 kilogramme (kg) =1000 g = 2.2046 lb
1 tonne(t) =1000 kg = 0.9842 ton
1 ounce =437.5 grains = 28.350 g
1 pound =16 ounces = 0.4536 kg
1 ton =2240 pounds 1.0161 tonnes
US Liquid Measures Equivalents
1 pint (16 FL oz) =0.8327 UK pt = 0.4732 litres
1 gallon =0.8327 UK gal = 3.7853 litres