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Microwave Wattage Converter

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This calculator helps you adjust cooking times when using microwaves with different wattages. It allows you to convert cooking times based on the wattage of your microwave.

How To Use

How to use this calculator

Start with your values, or try a preset.

Step 1

Enter Original Microwave Wattage (Watts), Original Cooking Time (Seconds), and New Microwave Wattage (Watts) in the units shown.

Step 2

Read Converted Cooking Time (Seconds) in the results panel. Results update as you change the inputs.

Step 3

Choose a preset to load an example, then adjust the values for your situation.

Worked Examples

Example calculations

See the inputs and their calculated results.

1000W to 700W

Original Microwave Wattage (Watts): 1,000; Original Cooking Time (Seconds): 60; New Microwave Wattage (Watts): 700

Converted Cooking Time (Seconds): 85.71428571 seconds

1200W to 800W

Original Microwave Wattage (Watts): 1,200; Original Cooking Time (Seconds): 30; New Microwave Wattage (Watts): 800

Converted Cooking Time (Seconds): 45 seconds

700W to 1000W

Original Microwave Wattage (Watts): 700; Original Cooking Time (Seconds): 120; New Microwave Wattage (Watts): 1,000

Converted Cooking Time (Seconds): 84 seconds

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