How to Convert Cooking Times to Commercial Convection Ovens

Written by reese armstrong
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Both conventional and convection ovens are able to bake and cook any food you put in them. The difference between the two is how they do it. A conventional oven simply heats up, and the heat from the oven cooks what you are making. A convection oven speeds up the cooking process by circulating air with a fan. By circulating the air, the heat can more quickly reach the food. Converting conventional oven cooking times to those of a convection oven is a simple process.

Skill level:
Moderately Easy

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  1. 1

    Determine what you are cooking and the normal time it would take to cook it in a conventional oven. Also find out the temperature you would use to cook it in a conventional oven.

  2. 2

    Multiply the cook time by 75 per cent to determine how long to cook your food. Then subtract -3.89 degrees Crom the conventional oven baking temperature. For example, if you would cook something in a conventional oven at 190 degrees Cor two hours, in a convection oven you would set the temperature to 350 and cook for 90 minutes.

  3. 3

    Preheat the convection oven just as you would a conventional oven.

  4. 4

    Check on your food 10 minutes before it is set to be done for quick-cooking foods. For foods that cook for long periods of time, such as roasts, begin checking on them sooner.

Tips and warnings

  • If the conventional cooking time is 15 minutes or less, do not decrease the cooking time; just decrease the temperature by -1.11 degrees C.
  • For every second the door to the oven is open, add 50 seconds to the cook time.

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