What is gas mark 4 in Celsius?

Gas mark 4 equals 180 °C (350 °F). It is the most common baking temperature in UK recipes, often described as a "moderate oven" and used for cakes, roast chicken, and most everyday baking.

What temperature is gas mark 6 in Celsius and Fahrenheit?

Gas mark 6 equals 200 °C (400 °F). It sits between moderate (gas mark 4, 180 °C) and hot (gas mark 7, 220 °C). Use it for pastry, roast vegetables, and pizza on a domestic oven.

How do I convert UK gas marks to Celsius for an electric oven?

Use this lookup: gas mark ¼ = 110 °C, ½ = 120 °C, 1 = 140 °C, 2 = 150 °C, 3 = 170 °C, 4 = 180 °C, 5 = 190 °C, 6 = 200 °C, 7 = 220 °C, 8 = 230 °C, 9 = 240 °C. For fan-assisted (convection) ovens, drop the Celsius value by 20 °C, since fan ovens cook faster than conventional gas. Arch Convert's Temperature tab keeps Celsius, Fahrenheit, and gas mark in sync.

UK Gas Mark to Celsius Converter

Gas mark 4 equals 180 °C (350 °F). The full UK gas mark scale runs from ¼ (110 °C) to 9 (240 °C) in roughly 14 °C increments.

Open the gas mark to Celsius calculator →

Worked example

A British recipe that says "bake at gas mark 6 for 25 minutes" translates to 200 °C / 400 °F on an electric oven. For a fan-assisted (convection) oven, drop to 180 °C and start checking five minutes early.

Conversion reference

Gas Mark	Celsius (Fahrenheit)
Gas mark ¼	110 °C (225 °F)
Gas mark 1	140 °C (275 °F)
Gas mark 4	180 °C (350 °F)
Gas mark 6	200 °C (400 °F)
Gas mark 9	240 °C (475 °F)

UK and Commonwealth gas ovens use the gas mark dial; the rest of the world runs on Celsius or Fahrenheit. Arch Convert's Temperature tab tracks all three units at once, with tap-to-set buttons for every gas mark from ¼ through 9, so a recipe in any system reads cleanly on the oven you have.

Frequently asked

What is gas mark 4 in Celsius?: Gas mark 4 equals 180 °C (350 °F). It is the most common baking temperature in UK recipes, often described as a "moderate oven" and used for cakes, roast chicken, and most everyday baking.
What temperature is gas mark 6 in Celsius and Fahrenheit?: Gas mark 6 equals 200 °C (400 °F). It sits between moderate (gas mark 4, 180 °C) and hot (gas mark 7, 220 °C). Use it for pastry, roast vegetables, and pizza on a domestic oven.
How do I convert UK gas marks to Celsius for an electric oven?: Use this lookup: gas mark ¼ = 110 °C, ½ = 120 °C, 1 = 140 °C, 2 = 150 °C, 3 = 170 °C, 4 = 180 °C, 5 = 190 °C, 6 = 200 °C, 7 = 220 °C, 8 = 230 °C, 9 = 240 °C. For fan-assisted (convection) ovens, drop the Celsius value by 20 °C, since fan ovens cook faster than conventional gas. Arch Convert's Temperature tab keeps Celsius, Fahrenheit, and gas mark in sync.