1 American cup of:

flour = 4 oz or 115 g

sugar (granulated or castor) = 8 oz or 230 g

icing (confectioner's) sugar = 4½ oz or 130 g

butter, margarine or lard = 8 oz or 230 g

fluid = 8 fluid oz or 0.225 litres

1 American tablespoon = 3 American teaspoons

American spoons are slightly smaller than British spoons

1 American pint = 16 fluid oz = 0.8 British pints = 0.45 litres

1 British pint = 20 fluid oz = 0.56 litres