CalculatorMeter readings

Bill from meter reading calculator

Estimate the usage cost between two readings, then add standing charge. Use this when a supplier reading or rebill looks wrong.

Reviewed: 2026-04-27Type: Information, not legal advice

Meter reading bill estimate

Usage
300 kWh
Estimated total
£90.90
Use template

Use the output carefully

This is a first-pass check. Your supplier bill may include VAT, multiple rates, gas conversion, debt recovery or account adjustments. Use it to ask better questions, not as a final legal calculation.

Frequently asked questions

Can I use this for gas?

It is a simple kWh-style calculator. Gas bills may need conversion from meter units to kWh, so use supplier bill figures where possible.

What is it best for?

It is best for checking whether usage and cost look broadly consistent with the readings and rates shown on the bill.