Your Calculation

Your gas bill, clearly explained

This demonstration uses 35 imperial gas units and illustrative tariff rates. Enter your own figures for a personal estimate.

Based on 90 days and 1,104.37 kWh of gas.

Estimated total

£107.89

for 90 days · including 5% VAT

£108Total
  • Gas used£76.09
  • Standing charge£26.66
  • VAT£5.14
Daily cost£1.20per day
Daily usage12.3kWh per day
Annual projection£438at the same daily use
Effective rate9.77pper kWh incl. charges
Projected spend

If your daily use stayed the same

Month£36
Quarter£108
Year£438
Illustrative tariff comparison

What could this usage cost switching to Good Energy?

We have priced the same 1,104.37 kWh over 90 days at 8.58p per kWh and a 28.02p daily standing charge using Good Energy fixed tariff rates.

Rates correct as at October 2026 and used only as an example. You may pay more or less depending on the tariff available, meter, region, payment method and date.
Full breakdown

How we reached your estimate

CalculationYour figuresResult
Meter usage1,035 − 1,000 hundreds of ft³35 units
Converted gas usageUnits × 2.83 × volume correction × calorific value ÷ 3.61,104.37 kWh
Gas used1,104.37 kWh × 6.89p£76.09
Standing charge90 days × 29.62p£26.66
VAT5% of £102.75£5.14
Estimated bill total£107.89
How this calculation works