Oven Temperature Chart: 

Heat Level

Degrees Fahrenheit Degrees Celsius British (Regulo) Gas Mark

Very cool 200 95 0
Very cool 225 110 1/4
Very cool 250 120 1/2
Cool or slow 275 135 1
Cool or slow 300 150 2
Warm 325 165 3
Moderate 350 175 4
Moderately hot 375 190 5
Fairly hot 400 200 6
Hot 425 220 7
Very Hot 450 230 8
Very Hot 475 245 9