Never mix imperial and metric measures in one recipe. Stick to one system or another. All spoon measurements are level.
1 stick of butter = 4oz or 125g
1 cup = 8oz or 250g or ½ pint
One lemon yields ¼ cup of lemon juice. One orange yields 1/3 cup juice
Volume
2fl oz 55ml
3fl oz 75ml
5fl oz (1/4 pint) 150ml
1/2pt 275ml
3/4pt 425ml
1pt 570ml
1 1/4pt 725ml
1 3/4pt 1 litre
2 1.2 litre
2 1/2pt 1.5 litre
4pt 2.25 litre
Weights
½oz 10g
¾oz 20g
1oz 25g
1½oz 40g
2oz 50g
2½oz 60g
3oz 75g
4oz 110g
4½oz 125g
5oz 150g
6oz 175g
7oz 200g
8oz 225g
9oz 250g
10oz 275g
12oz 350g
1lb 450g
Metric Imperial
450ml 3/4 pint
900ml 1 ½ pint
1.2L 2 pints
1.5L 2 ½ pints
1.8L 3 pints
3 L 5 pints
4.2L 7 pints
Oven Temperatures
Mark 1 275F 140C
Mark 2 300F 150C
Mark 3 325F 170C
Mark 4 350F 180C
Mark 5 375F 190C
Mark 6 400F 200C
Mark 7 425F 220C
Mark 8 450F 230C
Mark 9 475F 240C
Volume
1/16 teaspoon dash
1/8 teaspoon a pinch
3 teaspoons 1 Tablespoon
1/8 cup 2 tablespoons
1/4 cup 4 Tablespoons
1/3 cup 5 Tablespoons+1 teaspoon
1/2 cup 8 Tablespoons
3/4 cup 12 Tablespoons
1 cup 16 Tablespoons
1 Pound 16 ounces