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230°C = 450°F Oven (425°F Convection / Gas Mark 8)

230°C in a conventional oven equals 450°F (exact 446°F on a US oven dial), 210°C (425°F) in a fan-assisted convection oven, and UK Gas Mark 8, delivering very hot domestic oven heat ideal for baking and roasting artisan sourdough loaves and crispy flatbreads.

230°C is 446°F (set to 450°F in US recipes). The standard target for Dutch oven bread baking, unlocking maximum crust caramelization and blistered crumb expansion.

Oven Thermal Zone Spectrum450°F • Gas Mark 8 • Very Hot
Slow / Low225–300°F • GM ½–2
Moderate Bake325–375°F • GM 3–5
Hot Roast400–450°F • GM 6–8
Pizza / Broil475°F+ • GM 9–10
Conventional °F
450°F
Exact: 446°F
Conventional °C
230°C
Exact: 230°C
Convection / Fan
210°C Fan
425°F (−25°F)
UK Gas Mark
Gas Mark 8
Very Hot

International Oven Dial & UK Gas Mark Reference

International oven temperature dial conversion chart comparing Static °F, Static °C, Fan °C, and UK Gas Marks
Static °F Static °C Fan °C Gas Mark Heat Zone
225°F 110°C 90°C Fan Gas Mark ¼ Very Cool / Drying & Meringues
250°F 120°C 100°C Fan Gas Mark ½ Very Slow / Slow Braising
275°F 140°C 120°C Fan Gas Mark 1 Slow / Custards & Rich Fruitcakes
300°F 150°C 130°C Fan Gas Mark 2 Slow–Moderate / Casseroles & Shortbread
325°F 165°C 145°C Fan Gas Mark 3 Moderate / Cheesecakes & Loaf Cakes
350°F 180°C 160°C Fan Gas Mark 4 Moderate / Everyday Baking, Cookies & Layer Cakes
375°F 190°C 170°C Fan Gas Mark 5 Moderately Hot / Pies, Muffins & Roasting
400°F 200°C 180°C Fan Gas Mark 6 Hot / Crispy Roasting, Puff Pastry & Scones
425°F 220°C 200°C Fan Gas Mark 7 Hot / Artisan Bread, Roasted Veg & Yorkshire Pudding
450°F 230°C 210°C Fan Gas Mark 8 Very Hot / Hearth Loaves & High-Heat Roasting
475°F 245°C 225°C Fan Gas Mark 9 Very Hot / Dutch-Oven Sourdough & Skillet Sear
500°F 260°C 240°C Fan Gas Mark 10 Extremely Hot / Pizza Stone & Flatbreads

Frequently Asked Questions

What is 230°C converted to Fahrenheit? ▾

230°C is 446°F, which standard American baking recipes round to 450°F (UK Gas Mark 8, 210°C fan convection).

How long should a Dutch oven preheat at 230°C? ▾

Preheat the empty cast iron Dutch oven with its lid on for at least 45 minutes at 230°C to guarantee intense radiant heat transfer.