°F / °C Gas 250 / 120 ½ 275 / 140 1 300 / 150 2 325 / 160 3 350 / 180 4 375 / 190 5 400 / 200 6 425 / 220 7 450 / 230 8 475 / 240 9 500 / 260 10 Note: Reduce the temperature by 20°C (68°F) for fan-assisted ovens.