Electricity-cost calculators for Australia

Use Australian dollars, your own tariff, and device-specific operating models—without pretending one national average fits every household.

Billing context

Use the rate that changes with consumption.

Plans can use single, controlled-load, or time-of-use rates, and availability differs by network area and postcode. Daily supply charges are separate from usage rates.

Verified reference · Confidence A 98/100AUD 0.3314/kWh

Residential DMO single/flat rate, New South Wales · Ausgrid. Effective 2026-07-01 to 2027-06-30. Your own marginal bill rate remains the better input when your plan differs.

Source: Australian Energy Regulator default market offer

AUD calculator

Start with any appliance.

A current official reference is prefilled. Edit it when your utility, plan, usage tier, tax treatment, or bill differs.

01

Your scenario

Change any value. Results update instantly.

Active runtime accounts for cycling. Use 100% for devices that draw the rated power continuously.

02

Your reading

Planning estimate · based on your inputs
Estimated monthly costA$4.83

Likely planning range A$4.34–A$5.31

Per dayA$0.16
Per active hourA$0.04
Per yearA$57.90
Energy / month14.6 kWh

FormulakW × runtime × tariff

Month52 weeks ÷ 12

Data qualitySelf-entered estimate