Gas mark 6 in a fan oven is about 180°C , which is roughly 350–360°F.

Quick Scoop

  • Gas mark 6 ≈ 200°C in a conventional oven.
  • For a fan (fan-assisted) oven, you usually reduce by about 20°C , so you set it to around 180°C.
  • In Fahrenheit, that’s roughly 350–360°F for a fan oven setting that matches gas mark 6.

A simple rule of thumb: take the conventional temperature for a gas mark and drop it by about 20°C for a fan oven to get similar cooking results.

TL;DR: If a recipe says “Gas mark 6”, set your fan oven to 180°C. ✅

Information gathered from public forums or data available on the internet and portrayed here.