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Home & energy · 2026/27

Gas meter units to kWh calculator UK

Convert a domestic gas meter volume into an energy estimate using bill factors. Check the formula, worked example and limits before using your own figures.

Enter your figures

Your estimate

Estimated gas energy

1,113.54 kWh
Volume used100 m³

Use your actual figures. Any prefilled price, fee, rate or return is an editable illustration, not a current product quote. Use the calorific value and correction shown on your bill. The 2.83 imperial conversion is the billing convention; the meter option must match the meter register.

How the gas meter units to kwh calculator uk works

Metric kWh = m³ × correction factor × calorific value ÷ 3.6. Imperial hundreds of ft³ are first multiplied by 2.83.

UK data and rules

2026/27 data · Checked 16 October 2026. Rules are a dated snapshot, not a live feed.

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Worked example: gas meter units to kwh

This illustration uses the calculator’s example inputs. It is not a quote or a recommended financial decision.

Meter units used
100
Calorific value (MJ per m³)
39.2
Volume correction factor
1.02264
Meter register units
Metric cubic metres (m³)

Estimated gas energy: 1,113.54 kWh

Metric kWh = m³ × correction factor × calorific value ÷ 3.6. Imperial hundreds of ft³ are first multiplied by 2.83.

Gas meter units to kWh: questions answered

What does the gas meter units to kwh calculation include?

Metric kWh = m³ × correction factor × calorific value ÷ 3.6. Imperial hundreds of ft³ are first multiplied by 2.83. Use your actual figures. Any prefilled price, fee, rate or return is an editable illustration, not a current product quote. Use the calorific value and correction shown on your bill. The 2.83 imperial conversion is the billing convention; the meter option must match the meter register.

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Using your result

Example inputs are a starting point. Replace them with your figures and select Calculate result. Results are rounded for display; calculations use unrounded values.

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