Oven Temps
300F = 150C
350F = 180C
400F = 200C
425F = 210C
475F = 240C

Weights
30g = 1oz
100g = 3.5oz
150g = 5oz
350g = 12oz
500g = 1lb

more conversions
Nigella Lawson
Online Conversion

Volume & Liquid
5ml = 1 teaspoon
15ml = 1 tablespoon
60ml = 1/4 cup
75ml = 1/3 cup
125ml = 1/2 cup
600ml = 2 1/2 cups
900ml = 3 3/4cups
1 litre = 4 cups