Gas Mark 9 — 475°F / 240°C Oven Temperature

Gas Mark 9 = 475°F = 240°C (fan oven: 220°C). Used for: Maximum oven, pizza stones. This guide covers everything you need to know about this topic, including common causes, step-by-step solutions, and answers to frequently asked questions.

Here are the key things to understand: Gas Mark 9 = 475°F = 240°C. Fan/Convection Oven: 220°C (reduce by 20°C). Used for: Maximum oven, pizza stones. Fan ovens cook faster — check 5-10 min early. Understanding these fundamentals will help you diagnose and resolve this issue more effectively.

The most common reasons this occurs include: UK and some European recipes use Gas Mark settings. Convection/fan ovens run hotter than conventional. Need to convert between oven types for any recipe. Identifying the root cause is the first step toward finding the right solution.

To resolve this, follow these recommended steps: Set conventional oven to 475°F / 240°C. For fan/convection oven: use 220°C. Always preheat oven fully before cooking. Use an oven thermometer to verify actual temperature. If these steps do not resolve the issue, consider consulting additional resources or a qualified professional.

This article is part of our Unit Conversions collection on Cooking Reference Wiki. We provide comprehensive, up-to-date information to help you find solutions quickly.