Converting between metric and imperial units
1. Length: 1 inch = 2.54 cm, 1 foot = 0.3048 m, 1 yard = 0.9144 m, 1 mile = 1.6093 km
2. Area: 1 acre = 0.4047 hectare (ha)
3. Volume and capacity: 1 pint = 0.5683 litres, 1 gallon = 4.5461 litres
4. Mass: 1 ounce = 28.3495 g, 1 pound (lb) = 0.4536 kg