UK Ofgem Energy Price Cap & Dual Fuel Bill Calculator
Calculate your estimated quarterly and annual electricity and gas bills based on Ofgem price cap unit rates, daily standing charges, and household consumption.
Calculate your estimated quarterly and annual electricity and gas bills based on Ofgem price cap unit rates, daily standing charges, and household consumption.
Calculate your estimated quarterly and annual electricity and gas bills based on Ofgem price cap unit rates, daily standing charges, and household consumption. Calculate exact, penny-accurate projections compliant with 2026 HMRC • Bank of England standards using Calconova's deterministic IEEE-754 (Decimal.js) calculation engine with instant breakdowns.
This calculator is built on deterministic mathematical and algorithmic models. Results are simulations for educational and estimation purposes and should not be used as official or legally binding records.
Calculate your exact UK net take-home pay after PAYE income tax, Class 1 National Insurance, Student Loan, and pension contributions for England, Wales, and Scotland.
Decode your HMRC tax code (1257L, BR, 0T, K, W1/M1) to check your personal allowance, verify if you are on emergency tax, and claim overpaid tax refunds.
Calculate employee Income Tax and National Insurance savings alongside employer NI savings through pension, electric vehicle (EV), or cycle-to-work salary sacrifice.