This calculator works out induction cooking energy at the selected power and operating factor. The operating factor reduces the selected power level to an average over cooking time, reflecting normal cycling or lower-power intervals. Replace the example values with information from your own label, bill, drawing, product sheet or land record. Time a representative meal and use the displayed power setting rather than the cooktop's maximum marketing wattage. The formula and every editable assumption remain visible so the result can be checked before it is used for planning. Keep the values and result together when you compare or share this planning scenario.
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Every input includes a simple explanation.
Private: calculations run in your browser. Saved scenarios, preferred electricity rate and land state stay on this device.
Rated power can be different from average power while the appliance is running.
Voltage, automatic on-off cycling and equipment condition can change real use.
Use this as a budget estimate. The appliance label, how often it runs and all charges on your tariff determine the real bill.
Read the meaning first, verify the important details, then avoid the most common planning error.
The operating factor reduces the selected power level to an average over cooking time, reflecting normal cycling or lower-power intervals.
Time a representative meal and use the displayed power setting rather than the cooktop's maximum marketing wattage.
Do not assume induction efficiency makes electricity cost zero; the calculator still needs actual input energy and tariff.
Updated 9 August 2026. Changes listed here describe this calculator release; they are not invented historical entries.