Fan Oven Temperature Conversion Chart

Accurate fan oven conversion chart for UK, Australia, and worldwide. Convert temperatures between conventional, fan-forced, and gas ovens instantly. Fan oven temperature conversion made easy for baking cakes, roasting meats, and more.

By Professional Baker Sarah Johnson Last Updated:

Interactive Conversion Calculator

Converted Temperature
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Remember: When using a fan oven, you may also need to reduce cooking time by 10-15%.

Comprehensive Temperature Conversion Charts

Conventional Oven (°C) Fan Oven (°C) Common Uses Pro Tips
250°C 230°C Pizza, artisan bread Use pizza stone for crispier crust
220°C 200°C Roasting meats, puff pastry Rotate pans halfway for even browning
200°C 180°C Cookies, cupcakes Bake one tray at a time for best results
180°C 160°C Sponge cakes, muffins Don't open oven during first 3/4 of bake time
160°C 140°C Cheesecakes, meringues Use water bath for delicate desserts
Conventional Oven (°F) Fan Oven (°F) Common Uses Pro Tips
475°F 425°F Pizza, crusty bread Preheat baking stone for 30+ minutes
425°F 375°F Roast chicken, flaky pastries Use meat thermometer for perfect doneness
350°F 320°F Most cakes, cookies Check for doneness 5 minutes early
Gas Mark Fan Oven (°C) Fan Oven (°F) Common Uses
9 240°C 465°F Searing meats, pizza
7 200°C 400°F Roasting vegetables
5 170°C 340°F Fruit cakes, casseroles
3 140°C 275°F Meringues, delicate baking

Food-Specific Conversion Guide

Breads & Pizza

  • Artisan bread: 230°C fan (250°C conventional)
  • Pizza: 220-240°C fan, bake directly on stone
  • Quick breads: Reduce time by 15%

Tip: Steam injection helps crust development in fan ovens

Cakes & Pastries

  • Sponge cakes: 160°C fan, check 5 min early
  • Butter cakes: 170°C fan, use middle rack
  • Puff pastry: 200°C fan for maximum rise

Tip: Reduce sugar slightly as fan ovens promote browning

Meats & Roasts

  • Whole chicken: 180°C fan, 20% less time
  • Beef roast: 160°C fan for medium-rare
  • Fish: 150°C fan, watch carefully

Tip: Always use meat thermometer for perfect results

Professional Baking Tips for Fan Ovens

1. Oven Thermometer is Essential

Most ovens run hot or cold. For precision baking, place an independent oven thermometer in the center of your oven to verify actual temperature.

2. Adjust Baking Times

As a general rule, reduce baking times by 10-15% when using fan mode. Start checking for doneness earlier than recipe suggests.

3. Rack Position Matters

Middle rack works best for most baking. For multiple racks, rotate pans halfway through baking for even results.

4. Avoid Overcrowding

Fan ovens need good air circulation. Leave at least 2 inches between pans and avoid covering oven racks with foil.

5. Humidity Control

Fan ovens can dry foods faster. For moist cakes, place a pan of water in the bottom of the oven during baking.

6. High Altitude Adjustments

At elevations above 900m (3000ft), you may need additional temperature reductions of 5-10°C in fan ovens.

Fan Oven Conversion FAQs

Fan ovens circulate hot air continuously, creating more efficient heat transfer to your food. This means:

  • Heat reaches all surfaces of the food more evenly
  • No cold spots in the oven cavity
  • Faster cooking times overall

The 20°C reduction compensates for this increased efficiency, preventing overcooking or burning.

Follow this simple test:

  1. Place an oven thermometer in the center of your oven
  2. Set to 180°C fan and let preheat for 20 minutes
  3. Check thermometer reading through the window

If it's more than 10°C different from set temperature, you may need to adjust your settings or have your oven calibrated.

Yes, for most recipes you should:

  • Reduce temperature by 20°C (from conventional to fan)
  • Reduce time by 10-15% (start checking early)

However, some delicate items like soufflés or custards may only need temperature adjustment. Experience will help you judge best.

While the 20°C rule works for most fan ovens, there can be variations:

Oven Type Typical Adjustment
Standard fan oven -20°C
Multi-function/combi ovens -10 to -30°C (check manual)
Professional convection ovens -25 to -30°C

Always consult your oven's manual for specific recommendations.