Conversions for cooks

Oven Temperature Conversion Chart: Fahrenheit, Celsius and Gas Mark
Fahrenheit Celsius Gas Mark Terminology
  275 degrees F   140 degrees C             1   Very Cool or Very Slow
  300 degrees F   150 degrees C             2   Cool or Slow
  325 degrees F   165 degrees C             3   Warm
  350 degrees F   177 degrees C             4   Moderate
  375 degrees F   190 degrees C             5   Moderate
  400 degrees F   200 degrees C             6   Moderately Hot
  425 degrees F   220 degrees C             7   Hot
  450 degrees F   230 degrees C             8   Hot
  475 degrees F   245 degrees C             9   Hot
  500 degrees F   260 degrees C             10   Very Hot
Weights & Measures
Volume

When measuring liquid, cooking measurements are quite straightforward:

Metric Imperial US cups
250ml 8 fl oz 1 cup
180ml 6 fl oz 3/4 cup
150ml 5 fl oz 2/3 cup
120ml 4 fl oz 1/2 cup
75ml 2 1/2 fl oz 1/3 cup
60ml 2 fl oz 1/4 cup
30ml 1 fl oz 1/8 cup
15ml 1/2 fl oz 1 tablespoon
Weight

Check this chart for basic imperial to metric conversions:

1/2 oz 15g
1 oz 30g
2 oz 60g
3 oz 90g
4 oz 110g
5 oz 140g
6 oz 170g
7 oz 200g
8 oz 225g
9 oz 255g
10 oz 280g
11 oz 310g
12 oz 340g
13 oz 370g
14 oz 400g
15 oz 425g
1 lb 450g
Spoons!

Ever stop to wonder about teaspoons, dessertspoons and tablespoons? Here are their metric equivalents. But first:

1 dessertspoon = 2 teaspoons
3 teaspoons = 1 tablespoon

1 teaspoon 5ml
2 teaspoons 10ml
1 tablespoon 15ml
2 tablespoons 30ml
3 tablespoons 45ml
4 tablespoons 60ml
5 tablespoons 75ml
6 tablespoons 90ml
7 tablespoons 105ml


Also know that tablespoons can be easily used to convert dry (and wet) ingredients to/from US cups. Here's a simple conversion chart:

Tablespoons to US cups
1 tablespoon 1/16 cup
2 tablespoons 1/8 cup
4 tablespoons 1/4 cup
5 tablespoons 1/3 cup
8 tablespoons 1/2 cup
10 tablespoons 2/3 cup
12 tablespoons 3/4 cup
16 tablespoons 1 cup