Oven Temperatures

With fan ovens, general rules cannot apply. Some manufacturers recommend baking for a shorter time and at a lower temperature while others recommend baking at the same temperature and just reduce baking time!


For best results it is very important that you consult the instructions manual for your oven.

Celcius Fahrenheit Gas mark Description
110 225 1/4 Very Cool
130 250 1/2
140 275 1 Cool
150 300 2
170 325 3 Moderate
180 350 4
190 375 5 Moderately Hot
200 400 6
220 425 7 Hot
230 450 8
240 475 9 Very Hot

Length Measurement


Imperial Metric
1/4 inch 6mm
1/2 inch 12mm
1 inch 2.5cm
2 inch 5cm
4 inch 10cm
8 inch 20cm
9 inch 23cm
10 inch 25cm
12 inch 30cm

Weight Conversion



In this guide we have given quantities in both metric and imperial. Since exact conversion from imperial to metric does not usually give practical working quantities, the metric measures have been rounded to the nearest unit of 25 grams.

Remember, though, when using any recipes on the site, follow only one set of measure as they are not interchangeable.

Gram (g) Ounce (oz) Pound (lb)
25 1
50 2
75 3
125 4 1/4
150 5
175 6
200 7
225 8 1/2
250 9
275 10
300 11
350 12
375 13
400 14
425 15
450 16 1

Liquid Conversion Figures



Millilitre (ml) Fluid Ounce (fl oz) Pint (pt)
25 1
50 2
75 3
125 4
150 5 1/4
175 6
200 7
225 8
250 9
275 10
300 11 1/2
350 12
375 13
400 14
425 15
450 16 3/4
475 17
500 18
550 19
575 20 1

Tin Conversions

In situations where you do not have the required tin size or you would like to make a recipe in another shape, please use the following conversion figures.

Approximate conversion values indicate that when converting from a round tin to a square tin to reduce by 2 cm or 1 inch.

Round Square Equivalent
6”/ 15 cm 5”/ 13 cm
8”/ 20 cm 7” / 18 cm
9” / 23 cm 8” / 20 cm
11” / 28 cm 10” / 25.5 cm