Appliance Running Cost Calculator
Enter wattage, hours of use and your electricity tariff to see the real annual cost of an appliance before you buy or replace it.
- Per month
- $31
- Per day of use
- $1
- · Heating and cooling appliances rarely draw full rated power continuously — treat this as an upper bound.
How to use the Appliance Running Cost Calculator
-
01
Find the appliance wattage on its rating label or manual.
-
02
Estimate average daily operating hours and days used each week.
-
03
Copy the electricity price per kilowatt-hour from your latest bill.
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04
Compare the annual result across appliances or replacement options.
Frequently asked questions
Why might the real cost be lower?
Thermostatic and variable-speed appliances often cycle below their maximum rated wattage.
Does standby power count?
Only if it is included in the wattage and hours you enter. Calculate standby separately for a more precise estimate.
Can I use this for gas appliances?
No. This calculator uses electrical wattage and a price per kilowatt-hour.
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These calculators give planning estimates based on the figures you enter. They are not a substitute for a site survey, a structural or load calculation, or professional advice. Always confirm quantities with your supplier or contractor before ordering.