How to Estimate Your Energy Bill
Understand how energy bills are made up, what unit rates and standing charges mean, and how to estimate your monthly costs.
Try the Energy Bill Calculator
All guides · More Save money · All calculators
Related calculators
- Energy Bill Calculator — Your energy bill = (Usage in kWh × Unit rate) + Standing charges. The average UK household pays around £1,568/year for dual fuel under the c
- Fuel Cost Calculator — Enter your journey distance and fuel economy to find out how much your trip will cost in fuel, with weekly, monthly, and annual estimates.
- Savings Interest Calculator — See how your savings will grow with compound interest. Enter a lump sum, regular monthly deposits, and an interest rate to get a year-by-yea
- Electricity Cost Calculator — Electricity cost = (Wattage ÷ 1,000) × Hours used × Electricity rate per kWh. A 2,000W appliance running for 1 hour at 24.5p/kWh costs about
- Commute Cost Calculator — Your commute cost = fuel cost (based on distance, MPG, and fuel price) + parking + tolls, multiplied by commute days per week. Work-from-hom
- EV vs Petrol Cost Calculator — EV energy cost = miles ÷ miles/kWh × electricity rate. Petrol fuel cost = miles ÷ MPG × 4.546 × fuel price per litre. Compare annually to se
Related guides
- EV vs Petrol Running Costs Compared — How much cheaper is an EV to run than a petrol car? A practical comparison of energy costs, maintenance, and cost per mile.
- How Savings Interest Works in the UK — Everything you need to know about savings interest rates, compound interest, AER, and the Personal Savings Allowance.
- How to Calculate Fuel Cost Per Journey — A simple guide to working out how much any car journey costs in fuel, with tips for reducing your fuel costs.
- How to Calculate Your Commute Cost — Work out the true cost of commuting by car including fuel, parking, and tolls, plus how hybrid working affects your spending.
- How to Calculate Zakat — A plain-English guide to calculating Zakat: nisab, hawl, zakatable assets, deductible liabilities, and a worked GBP example.
- How to Work Out Electricity Costs for Any Appliance — A simple guide to calculating how much any appliance costs to run, with common examples and money-saving tips.