Oven Temperature Conversion
Convert oven temperatures between Fahrenheit, Celsius and gas mark, with the full conversion chart.
The result updates as you type.
Oven temperature
350 °F = 177 °C
Gas mark 4
| Gas mark | °F | °C |
|---|---|---|
| 1/4 | 225 | 107 |
| 1/2 | 250 | 121 |
| 1 | 275 | 135 |
| 2 | 300 | 149 |
| 3 | 325 | 163 |
| 4 | 350 | 177 |
| 5 | 375 | 191 |
| 6 | 400 | 204 |
| 7 | 425 | 218 |
| 8 | 450 | 232 |
| 9 | 475 | 246 |
| 10 | 500 | 260 |
What this page cannot tell you
Recipes written for a fan (convection) oven or a conventional one are not interchangeable without adjustment; follow the recipe or the oven maker's guidance for that. Oven thermostats can run hot or cold, and an oven thermometer shows the real temperature.
How to convert an oven temperature
- Choose what you have. Fahrenheit, Celsius or a gas mark.
- Enter the temperature. Or pick the gas mark.
- Read the conversion. °F, °C and the nearest gas mark, with the chart.
10 times you need to convert an oven temperature
British recipes in an American kitchen
A cook converts gas mark 4 to Fahrenheit.
American recipes abroad
Someone in Europe converts 350 °F to Celsius.
Old family recipes
A grandparent's recipe says 'gas 6'.
New ovens
Someone with a Celsius oven follows a US cookbook.
Baking classes
A teacher gives both scales.
Air fryer conversions
A cook converts the temperature, then follows the appliance's own guidance.
Holiday roasts
A host converts a roasting temperature.
Recipe writing
A blogger lists all three units.
Candle and craft ovens
A hobbyist converts a curing temperature.
Checking a dial
Someone checks what a gas mark dial means in degrees.
How the conversion works
°C = (°F − 32) × 5 ÷ 9 and °F = °C × 9 ÷ 5 + 32. Gas mark 1 is 275 °F; each mark above it adds 25 °F, so gas mark 4 is 350 °F and 9 is 475 °F. Below mark 1 the marks halve: ½ is 250 °F and ¼ is 225 °F.
The nearest gas mark is shown with how far the temperature is from it.
Limits: recipes for fan (convection) ovens and conventional ovens are not interchangeable without adjustment; follow the recipe or the oven maker's guidance. Oven thermostats can run hot or cold.
Sources
Frequently asked questions
What is 350 °F in Celsius?
About 177 °C, gas mark 4.
What is 180 °C in Fahrenheit?
356 °F, nearest gas mark 4.
What is gas mark 6?
400 °F, about 204 °C.
What is 200 °C in Fahrenheit?
392 °F, nearest gas mark 6.
How do I convert Fahrenheit to Celsius?
Subtract 32, multiply by 5, divide by 9.
Does it work for fan ovens?
It converts temperatures only; it does not adjust for fan ovens.
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