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Ohm's Law & Power Calculator

Enter any two values and the other two are calculated. Handy for working out a heating element's expected current, resistance, or wattage.

Enter exactly two values to calculate the rest.

Formulas: V = I × R and P = V × I. This calculator assumes a purely resistive load (heating elements are resistive).

Get the exact element — not just the math

These figures come straight from the numbers you enter. A replacement still has to match your original element's data tag: voltage, wattage, coil dimensions, and terminals. Send us your make and model, or a photo of the old element's tag, and we'll confirm the exact part and ship it across Canada.

⚠️ Working on the circuit itself? Confirm wire gauge and breaker sizing with a licensed electrician and your local code.

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