225f = 110c = Gas Mark 1/4 = Very Slow 250f = 120/130c = Gas Mark 1/2 = Very Slow 275f = 140c = Gas Mark 1 = Slow 300f = 150c = Gas Mark 2 = Slow 325f = 160/170c = Gas Mark 3 = Moderate 350f = 180c = Gas Mark 4 = Moderate 375f = 190c = Gas Mark 5 = Moderately Hot 400f = 200c = Gas Mark 6 = Moderately Hot 425f = 220c = Gas Mark 7 = Moderately Hot 450f = 230c = Gas MArk 8 = Hot 475f = 240c = Gas Mark 9 = Very Hot
Please remember this is a guide only and not exact conversions.
As a rule of thumb Celsius is roughly half the Fahrenheit temperature.
Fan assisted ovens are usually set approximately 25 degrees Celsius (i.e. approximately 50 degrees Fahrenheit) lower than others and cooking time is reduced by 10 minutes for every hour of cooking time.
Different manufacturers and oven types do vary, so always refer to your cooker instruction book.
Cooking Temp Conversions for you
