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Energy bills & appliances

Decode fixed charges, energy rates, time bands, labels, EV charging and heating without a made-up global tariff.

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8 transparent calculators

Working shownEnergy bills & appliancesGlobal Appliance Electricity Cost Calculator

Estimate appliance energy and cost in your own currency from label watts, runtime and your electricity rate

Open calculator Working shownEnergy bills & appliancesEffective Electricity Bill Rate Calculator

Separate fixed charges from energy charges and calculate both all-in and usage-only bill rates

Open calculator Working shownEnergy bills & appliancesElectricity Bill Change Explainer

Explain why an electricity bill changed by separating billing days, daily usage, effective usage rate and fixed charges

Open calculator Working shownEnergy bills & appliancesTime-of-Use Electricity Plan Comparison

Compare peak and off-peak energy charges with a flat-rate plan using the same electricity use

Open calculator Working shownEnergy bills & appliancesHome EV Charging Cost Calculator

Estimate wall energy, charging cost and cost per distance with visible charging losses

Open calculator Working shownEnergy bills & appliancesHeat Pump vs Resistance Heating Calculator

Compare electricity needed for the same useful heat using an editable heat-pump COP

Open calculator Working shownEnergy bills & appliancesAppliance Label Annual Cost Calculator

Turn the annual kWh on an official appliance label into annual and multi-year energy cost

Open calculator Working shownEnergy bills & appliancesDubai DEWA Electricity & Water Slab Calculator

Explain Dubai residential slab allocation with editable current fuel surcharges and no hidden municipality assumption

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Related global guides

How to read and compare electricity billsFind energy use, rates, fixed charges and billing days, then explain what changed between two electricity bills.Effective electricity rate vs marginal tariff rateUnderstand when total bill divided by kWh is useful and when a tariff's marginal rate is the safer input.Standing, supply and customer charges explainedCompare daily and monthly fixed electricity charges without mixing them with usage savings.How to find the break-even point for a time-of-use planCompare a time-of-use electricity plan with a flat rate using the same kWh and fixed charges.How to compare appliance energy labels across marketsUse annual kWh from EnergyGuide, EnerGuide, EU, Australian, New Zealand and Singapore labels correctly.How to estimate home EV charging costCalculate EV energy drawn from the wall, charging losses and cost per 100 km or miles.Heat-pump COP and electricity cost in simple wordsCompare heat-pump and resistance-heater electricity using the same useful heat demand.