Electricity Cost Calculator
Works out how much an appliance costs to run.
Your result
Estimate only. Results update as you type.
How this calculator works
kWh = watts ÷ 1000 × hours. Cost = kWh × tariff.
Worth knowing
Check your bill for time-of-use tariffs. Running appliances off-peak can be much cheaper.
Guides for this calculator
- How the Electricity Cost Calculator Works (With a Worked Example)
- Getting the Most From a Electricity Cost Calculator: Tips and Common Errors
Questions
- Are the results exact?
- Maths calculations are exact. Cost calculations depend on the prices and usage you enter.
- Do the date calculators handle leap years?
- Yes. They use real calendar dates.
- Can I suggest a calculator?
- Yes. Use the contact page to request one.
This calculator gives general estimates using published Australian rates and formulas. It doesn’t consider your personal circumstances. Check current figures with the ATO, your state government or a qualified professional before making decisions. See our disclaimer.