Volume
1 cup = 240 ml
1/2 cup = 120 ml
1/3 cup = 80 ml
1/4 cup = 60 ml (4 tablespoons)
1 tablespoon = 15 ml
1 teaspoon = 5 ml
1 fluid ounce = 30 ml
1 US quart = approximately 1 litre

Weight
1 oz. = 30g (28, actually)
1 lb = 16 oz = 454 grams

Length
1 inch = 2.54 centimeters
1 foot = 12 inches = 30 centimeters

Temperature
400° F = 200° C
350° F = 180° C
300° F = 150° C

Cake Tins
20cm = 8 inch
23cm = 9 inch
25cm = 10 inch

Cup Conversions
1 cup sugar = 200g
1 cup icing sugar = 125g
1 cup flour = 120g
1 cup rice = 200g
1 cup butter = 200-220g