Oven Fan Conversion
Convert conventional and fan-forced oven temperatures.
Inputs
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Formula
T_fan ≈ T_conv − 20°C
Convection moves heat faster, so fan baking typically uses ~20°C lower than a conventional recipe temperature.
Worked example
180°C conventional ≈ 160°C fan — check browning 5–10 min early.
Where this can give the wrong answer
- Ovens vary — treat as starting point.
- Some recipes specify fan already; do not double-convert.
- Fahrenheit recipes need °C conversion first.
FAQ
- Forced air transfers heat more efficiently to the food surface.