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GAS CALCULATOR

Estimated gas bill projection

Project full-period gas use from part of a billing cycle.

Enter amounts in the same currency throughout. Nothing is sent to our server.

How this calculation works

Observed gas use ÷ observed days × full billing days. Heating demand can change sharply with weather, so this is a simple projection.

Before you use the result

This is an illustrative estimate, not a provider quote or your actual bill. Enter your current rates and charges from your plan or latest statement. Prices, billing rules and coverage can change.

Find your provider

British Gas · Enbridge Gas · Search all providers

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