What changes the answer
The regulated tariff changes over time and a retail plan can differ. Every saved or shared scenario records the entered rate rather than claiming it remains current.
Estimate cooling and appliance decisions from the regulated tariff or your retailer plan, not a generic global rate.
The regulated tariff changes over time and a retail plan can differ. Every saved or shared scenario records the entered rate rather than claiming it remains current.
Metric units are standard; property listings may also show square feet. Both units remain visible during translation.
Estimate air-conditioning and appliance energy from model input.
Use the Mandatory Energy Labelling Scheme record where available.
Compare time bands only when the selected plan uses them.
Translate property area and project quantities.
Currency symbols are presentation only; enter the current plan, label or project values that apply to you.
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 CalculatorSeparate fixed charges from energy charges and calculate both all-in and usage-only bill rates
Open calculator Working shownEnergy bills & appliancesElectricity Bill Change ExplainerExplain 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 ComparisonCompare 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 CalculatorEstimate wall energy, charging cost and cost per distance with visible charging losses
Open calculator Working shownEnergy bills & appliancesAppliance Label Annual Cost CalculatorTurn the annual kWh on an official appliance label into annual and multi-year energy cost
Open calculator Working shownSolar, battery & backupSolar Self-Consumption Value CalculatorSeparate solar electricity used at home from exports and value each with its own rate
Open calculator Working shownSolar, battery & backupHome Battery Energy-Shift CalculatorEstimate deliverable shifted energy and gross rate-spread value after round-trip losses
Open calculator Working shownSolar, battery & backupGlobal Battery Backup Runtime CalculatorEstimate backup runtime from voltage, amp-hours, usable discharge, conversion efficiency and load
Open calculator Working shownHome projectsConcrete Volume Calculator — Metric & US UnitsCalculate rectangular concrete volume in cubic metres or cubic yards with explicit unit conversion and waste
Open calculator Working shownHome projectsPaint Quantity Calculator — Litres & GallonsEstimate paint from wall dimensions, openings, coats and the exact product coverage
Open calculator Working shownHome projectsFlooring & Tile Quantity CalculatorEstimate floor area, pieces and packs using metric or imperial dimensions and a visible waste allowance
Open calculator Working shownProperty & area unitsInternational Property Area TranslatorConvert standard property-area units while keeping the exact factor and both unit labels visible
Open calculatorThese links help verify tariffs, labels, schemes, measurements and rules. Their inclusion is not an endorsement.
Energy Market Authority
Current regulated-tariff explanation; the user must enter the applicable rate.
Open official resourceEnergy Market Authority
Official electricity-market and consumer guidance.
Open official resourceNational Environment Agency
Official appliance-label scheme and covered products.
Open official resourceNational Environment Agency
Official household guidance for comparing appliance energy use and labels.
Open official resourceBuilding and Construction Authority
Official building-control entry point.
Open official resourceBuilding and Construction Authority
Building-efficiency context and scheme information.
Open official resourceUrban Redevelopment Authority
Official property-data context; listings still require explicit unit checks.
Open official resourceEnergy Market Authority
Official Singapore solar-energy context.
Open official resource