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Conversion

Oven Temperature Converter

Convert oven temperatures between Celsius, fan oven Celsius, Fahrenheit and gas mark, with a full conversion chart.

Rules last checked 25 October 2026Every step shown

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Fan oven

160 °C

Conventional oven
180 °C
Fahrenheit
356 °F
Nearest gas mark
4

180 °C in a conventional oven is 160 °C fan, 356 °F, or gas mark 4.

How it's worked out

  1. To Fahrenheit180 × 9 ÷ 5 + 32356 °F
  2. Fan ovenabout 20 °C lower160 °C
Oven temperature chart
Gas mark°CFan °C°F
¼11090225
½120100250
1140120275
2150130300
3170150325
4180160350
5190170375
6200180400
7220200425
8230210450
9240220475

The formulas

°F = °C × 9 ÷ 5 + 32 · Fan oven = conventional − 20 °C

Worked example

A recipe at 180 °C in a conventional oven needs 160 °C in a fan oven. That's 356 °F, or gas mark 4.

Questions people ask

What is 180 °C in a fan oven?

About 160 °C. Fan ovens circulate hot air, so they cook about 20 °C hotter for the same setting.

What is 180 °C in Fahrenheit?

356 °F, usually rounded to 350 °F in recipes, which is gas mark 4.

What temperature is gas mark 6?

200 °C (180 °C fan), or 400 °F.

Formula and rules last checked 25 October 2026Written and tested by the CalculatorDex teamReport a problem