Meter reading calculator

Enter two readings from your electricity or gas meter to see how much energy you used and what it cost, with the working shown.

Which meter?

Single-rate meters only. Ignore any numbers after a decimal point or in red. A meter with two sets of numbers (day and night) is not covered here.

Earlier reading

Date of earlier reading

Later reading

Date of later reading

RegionPayment method

Use the rates or figures on my bill

Enter both rates to price the whole period at your own tariff instead of the price cap.

Unit rate (p/kWh)

Standing charge (p/day)

Enter two readings and their dates to see how much energy you used and what it cost.