Mathematics GCSE module 5 (metric-imperial conversions)

Approximate conversions

1kg = 2.25 lbs

1m = 1 yard + 10%

1 litre = 1.75 pints

1 inch = 2.5 cm

1 gallon = 4.5 litres

1 foot = 30cm

1 metric tonne = 1 imperial ton

1 mile = 1.6km (or 5 miles = 8km)