Oven Temperature Converter
Convert any oven temperature between Celsius, Fahrenheit, and Gas Marks. Also converts to fan oven (convection) temperatures automatically.
Oven Temperature Guide
Gas Mark Reference
Gas ¼ = 110°C = 225°F (very cool). Gas 1 = 140°C = 275°F. Gas 4 = 180°C = 350°F (moderate). Gas 6 = 200°C = 400°F (hot). Gas 7 = 220°C = 425°F (very hot). Gas 9 = 240°C = 475°F (extremely hot).
Fan vs Conventional
Fan ovens circulate hot air, cooking food faster and more evenly. Reduce the recipe temperature by 20°C (or 25°F) for fan ovens, or reduce cooking time by 10–15% while keeping the same temperature. Fan marks on recipes often say '180°C / 160°C fan'.
Why Oven Thermometers Matter
Most domestic ovens are 10–40°C off from their dial setting. A cheap oven thermometer placed inside reveals the actual temperature — a revelation for anyone whose baking has been inconsistent.
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