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Conversions

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Conversion tables


Conversion tables of measurable unit commonly used by cooks in the kitchen.

The values in these conversion tables are only approximate and have been rounded up or down for clarity.

Always stick to either metric or imperial measurements in the same recipe.

100's of our ingredients pages now have (US) cup to weight conversion tables to, so if you need to know how much a cup of parsley weighs, just enter Parsley in the search box and click Go. The cup-to-weight calculations are at the bottom of every ingredient page.

Oven Temperature

Oven temperatures can be in degrees Celsius (International) -- previously Centigrade, degrees Fahrenheit (in the USA) or by gas mark (UK). This table provides a rough guide to conversion between the ranges.

For fan assisted ovens, use a setting of 20° Celsius (36° Fahrenheit) less than the recipe calls for. Cooking times can probably be reduced by 10 minutes for every hour of cooking time.

The fan oven temperatures on the right are the equivalent to all of the left hand values.

Centigrade Fahrenheit Gas Mark Descriptive = Fan Oven equiv. °C
110° 225° ¼ Very slow/Very low = 90°
120° 250° ½ Very slow/Very low = 100°
140° 275° 1 Slow/Low = 120°
150° 300° 2 Slow/Low = 130°
160° 325° 3 Moderately slow/Warm = 140°
180° 350° 4 Moderate/Medium = 160°
190° 375° 5 Moderate/Moderately hot = 170°
200° 400° 6 Moderately hot = 180°
220° 425° 7 Hot = 200°
230° 450° 8 Hot/Very hot = 210°
250° 475° 9 Very hot = 230°
260° 500° 10 Extremely hot = 240°

Weight [mass]

Weight conversion notes

The weight conversions for this chart and for most of Cookipedia are rounded to the nearest usable amount (eg: 40g is rounded to 1.5 oz whereas it is actually 1.41095847798322 oz). Most conversions don't round to convenient figures. For culinary purposes, this make little or no difference. If however you do need exact conversions or conversions that are not covered by this chart, there are useful interactive weight converters hereand here. They are accurate to 10 decimal places and cover all many common conversions.

Imperial Metric   Imperial Metric
¼ oz 5 g   210 g
½ oz 10 g   8 oz 225 g
¾ oz 20 g   8½ oz 235 g
1 oz 25 g   9 oz 250 g
1 ½ oz 40 g   9½ oz 260 g
2 oz 50 g   10 oz 275 g
60 g   10½ oz 285 g
3 oz 75g   11 oz 310 g
3½ oz 85 g   12 oz 350 g
4 oz 110 g   1 lb 450 g
4½ oz 125 g   1 lb 2 oz 500 g
5 oz 150 g   2 lb 900 g
5½ oz 160 g   2½ lb 1.1 kg
6 oz 175 g   3 lb 1.3 kg
6½ oz 185 g   3½ lb 1.6 kg
7 oz 200 g   4 lb 2 kg

Volume

Measuring liquid by weight

Don't forget that for culinary purposes millilitres (ml) is equal to grams (g) when measuring out most liquids. Try it out next time you need to accurately add a measured amount of liquid; bread-making is a great example.

Metric Cup U.S. Cup Imperial fl oz Imperial pint U.S. pint Metric By weight
1 fl oz 28 ml 28 g
4 fl oz 112 ml 112 g
½ cup 4.16 fl oz ¼ pint 118 ml 118.3 g
½ cup 5 fl oz ¼ pint 142 ml 142 g
1 cup 8.33 fl oz ½ pint 236 ml 236 g
1 cup 8.45 fl oz 0.43 pint 250 ml 250 g
10 fl oz ½ pint 284 ml 284 g
10.10 fl oz 0.52 pint 300 ml 300 g
1.5 cups 11.97 fl oz ¾ pint 354 ml 354 g
15 fl oz ¾ pint 426 ml 426 g
2 cups 16 fl oz 0.83 pint 1 pint 473 ml 473 g
2 cups 17.6 fl oz 500 ml 500 g
20 fl oz 1 pint 568 ml 568 g
4 cups 32 fl oz 1.7 pints 2 pints 946 ml 946 g
4 cups 35 fl oz 1 litre 1 kg
40 fl oz 2 pints 1.13 litres 1.13 kg
70 fl oz 3.5 pints 2 litres 2 kg

Note on cup measurements.

In 'modern' recipes, use of the cup measure appears mainly in American recipes. Even here in the UK, there are 2 standards. The Commonwealth or Imperial cup measurement is 1/2 pint though in practice it is only commonly used in historic/old recipes. If your recipe uses cups as the 'base' measurement for all ingredients, then you should be OK. If you are uncertain, err on the side of caution (play it safe). In general, it is easy to add a little more of an ingredient - it is much harder (impossible??) to take it away again after adding it. Wikipedia article on cup measures

Spoon measures

Single Multiple
1 level teaspoon 5 ml
1 level dessert spoon 10 ml
1 level tablespoon 15 ml
1 dessert spoon 2 teaspoons
1 tablespoon 3 teaspoons

Length

Imperial Metric
1/8” 2.5 mm
¼” 5 mm
½” 1 cm
¾” 2 cm
1” 2.5cm
1¼” 3 cm
1½” 4 cm
1¾” 4.5 cm
2” 5cm
2½” 6 cm
3” 7.5 cm
3½” 9 cm
4½” 10 cm
5” 13 cm
6” 15 cm
7” 18 cm
8” 20 cm
9” 23 cm
10” 25 cm
11” 28 cm
12” 30 cm
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