ⓘ Important information & disclaimer Read guidance
This calculator is provided as an aid to competent persons for estimating installation and purge volumes. Users are responsible for verifying all calculations and ensuring compliance with the latest applicable edition of IGEM/UP/1B, relevant legislation, manufacturer instructions and their organisation’s procedures. Results must be independently checked before carrying out gas work. This calculator does not replace professional judgement, prescribed testing procedures or statutory responsibilities. Metering Compliance Solutions accepts no responsibility for reliance on results without appropriate verification, to the extent permitted by law.
1 Installation
Check selected meter volume against the relevant manufacturer information.
2 Pipework runs
16 pipe sizes: copper, steel and PE SDR11. A 10% fittings allowance is applied to pipework volume. Other pipe types are not included.
3 Calculation results
Complete the inputs to view a calculation.
The pressure-drop band is a reference lookup only, not a tightness-test pass/fail decision. Follow the applicable procedure and verify all results.
4 Job details & report Details required for PDF
No login or network requests. The browser's print menu can save the report as a PDF. Your entries are not uploaded.