Oven Temperature Conversions

Modern Conventional Electric Oven

Photo Credit: Clive Peeters

Most modern recipe books and internet sites giving recipes will give you cooking temperatures based on Gas Mark, Celsius °C (Centigrade) and Fahrenheit °F, however some don't. For instance many US sites will omit the Celsius temperature. This is where you need a handy oven temperature conversion guide like the one below. You may also find it useful for those family recipes that have been hand written and handed down from your parents or grandparents generations, as most people only write down the oven setting for the oven they have at the time.

Oven Temperature Table

Gas Mark °F Fahrenheit °C Celsius
¼ 225 °F 105 °C
½ 250 °F 120 °C
1 275 °F 135 °C
2 300 °F 150 °C
3 325 °F 165 °C
4 350 °F 175 °C
5 375 °F 190 °C
6 400 °F 205 °C
7 425 °F 220 °C
8 450 °F 230 °C
9 475 °F 245 °C

Notes

  • Gas Marks are used in the UK, Ireland and some Commonwealth countries.
  • The Gas Mark scale is always in 25 °F breaks. Fahrenheit was the standard measure of temperature in the UK until metrication in the late 1960's/early 1970's.
  • Celsius temperatures are given to the nearest 5 degrees.

Full Celsius to Fahrenheit conversions.

Fan Ovens (a.k.a. Convection Ovens)

The fan oven (known as a Convection Oven in the US) uses a fan to assist with the flow of air around the oven and therefore provides more even heat distribution throughout the oven. This has the effect of cooking dishes faster and more evenly, thus when using a recipe with a standard temperature lower temperatures should be used if you have a fan oven.

The fan oven is often referred to as a convection oven although convection is a term for the natural distribution of heat in air due to the hot air rising and forcing the cold air downwards. This is essentially what happens in a conventional oven to heat the entire oven.

French Gas Oven Temperatures

French recipes may well give oven temperatures as Th1, Th2, Th3 ... Th9. The Th stands for Thermostat, thus Thermostat 1 is the French equivalent of Gas Mark 1. You need to be careful as the oven temperatures for the French Th1, Th2 are not the same as those for the UK & Irelands Gas Mark 1, 2 etc. The temperatures for each of the Thermostat values are given in the table below, with conversion to Fahrenheit for those in the US.

Thermostat °C Celsius °F Fahrenheit
Th1 30 °C 85 °F
Th2 60 °C 140 °F
Th3 90 °C 195 °F
Th4 120 °C 250 °F
Th5 150 °C 300 °F
Th6 180 °C 355 °F
Th7 210 °C 410 °F
Th8 240 °C 465 °F
Th9 270 °C 520 °F

German Gas Oven Temperatures

German recipes may indicate oven settings of Stufe 1, Stufe 2 ... Stufe 8. These are the gas mark settings for German gas ovens, with Stufe translating as stage or increment in English. Temperatures for the German Gasherd Stufe are given in the following table:

Stufe °C Celsius °F Fahrenheit
Stufe 1 150 °C 300 °F
Stufe 2 160 °C 320 °F
Stufe 3 180 °C 355 °F
Stufe 4 200 °C 390 °F
Stufe 5 220 °C 430 °F
Stufe 6 240 °C 465 °F
Stufe 7 260 °C 500 °F
Stufe 8 280 °C 535 °F

 

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