Utility Bill Calculators

Estimate electricity, gas, internet, and mobile spend in minutes. Update usage assumptions and see how bundled plans or seasonal changes impact your bills.

Electricity & Gas

Estimate quarterly bills, compare tariffs, and plan for seasonal peaks

Electricity Cost

Project quarterly and annual kWh costs using supply and usage rates

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Gas Cost

Calculate MJ usage, daily supply charges, and total gas spend

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Internet & Mobile

Check the cost per Mbps or GB before locking into a contract

Internet Value

Compare NBN & fixed wireless plans by speed tier and price

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Mobile Plan Value

See the effective cost per GB for SIM-only or bundle plans

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Why Use Our Calculators?

100% Free

No sign-up, no hidden costs, no data collection

Instant Results

All calculations happen instantly in your browser

Up to Date

Current Australian energy, telco, and regulator reference rates