Gas mark converter
Convert a UK gas mark oven setting to Celsius and Fahrenheit, for recipes or ovens that use a different scale.
Result
Temperature
Temperature
How to use this calculator
- Choose the gas mark from the recipe.
- Read the equivalent temperature in Celsius and Fahrenheit.
Assumptions
- Uses the standard UK gas mark reference table — some oven manufacturers' dials vary very slightly from this standard.
Technical details: what the fields mean
- Gas mark
gasMark - Gas mark setting (1–9), as used on UK gas ovens and in many UK recipes.
Methodology
Uses the standard UK gas mark to Celsius reference table (e.g. gas mark 4 = 180°C), then converts to Fahrenheit using the standard formula.
Worked example
Gas mark 4
Inputs: gasMark=4
Result: 180°C, 356°F
Practical guidance
- Gas mark, Celsius and Fahrenheit are all conventional-oven figures — adjust down for a fan-assisted oven as you would for any conventional temperature.
Common mistakes
- Assuming gas mark scales linearly with Celsius — the actual reference table isn't a simple straight-line formula at the low end.
FAQs
What is gas mark 4 in Celsius?
180°C (356°F).