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Oven Temperature Converter — °F, °C, Gas Mark & Fan

~30 seconds

Enter a temperature and pick the scales to convert between. °F and °C convert exactly. Gas Mark and fan/convection adjustments are culinary conventions — labeled as such, never presented as exact thermodynamic equivalence.

What this calculator determines

It converts an oven temperature between °F, °C, Gas Mark, and fan/convection, using exact arithmetic for °F↔°C and labeled conventions for Gas Mark and fan.

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Examples

180°C to °F

180°C → °F

Calculation

  1. °F = °C × 9/5 + 32
  2. 180 × 1.8 + 32 = 356°F

356°F

350°F to Gas Mark

350°F → Gas Mark

Calculation

  1. °C = (350 − 32) × 5/9 = 176.7°C
  2. Nearest Gas Mark: 4 (180°C)

Gas Mark 4 (convention)

Assumptions & Conventions

°F↔°C is exact
Fahrenheit and Celsius convert by the exact thermodynamic formula (°F = °C × 9/5 + 32).
Gas Mark is a convention table
Gas Mark is a UK oven-temperature lookup table (Gas Mark 4 = 180°C), not a continuous formula; it is labeled a convention.
Fan reduction is a convention
The ~20°C fan/convection reduction is a manufacturer convention, not an exact thermodynamic equivalence.
No food-safety or doneness temperatures
Scope is temperature conversion only; no doneness, food-safety, or bake-time guidance is provided.

Frequently asked questions