Oven Temperature Converter
Convert oven temperatures between Fahrenheit, Celsius, Gas Mark (UK), and fan/convection settings.
Type in any field — the others update instantly.
Oven temperature scales differ around the world — and even between oven types. Here is how they all relate to each other.
Fahrenheit ↔ Celsius: °C = (°F − 32) × 5/9
Gas Mark (UK/Ireland): Gas Mark is used on British and Irish gas ovens. Gas Mark 1 = approximately 275°F (140°C). Each mark increases by roughly 25°F (14°C).
Fan / Convection ovens: Fan ovens circulate hot air, making them more efficient. They typically run 20°C (about 35°F) hotter than conventional ovens. Always reduce the temperature by 20°C when using a fan/convection oven recipe in a conventional oven, or vice versa.
Gas Mark Reference Table:
| Gas Mark | °F | °C | Fan °C | Description |
|---|---|---|---|---|
| Gas 1 | 275°F | 140°C | 120°C | Very Cool |
| Gas 2 | 300°F | 150°C | 130°C | Cool |
| Gas 3 | 325°F | 165°C | 145°C | Warm |
| Gas 4 | 350°F | 180°C | 160°C | Moderate |
| Gas 5 | 375°F | 190°C | 170°C | Moderately Hot |
| Gas 6 | 400°F | 200°C | 180°C | Hot |
| Gas 7 | 425°F | 220°C | 200°C | Hot |
| Gas 8 | 450°F | 230°C | 210°C | Very Hot |
| Gas 9 | 475°F | 245°C | 225°C | Very Hot |
Common baking temperatures:
- Cheesecake: 325°F / 165°C / Gas 3
- Cookies: 350°F / 180°C / Gas 4
- Roast chicken: 375°F / 190°C / Gas 5
- Pizza: 450–500°F / 230–260°C / Gas 8–9