About this app
Quick gas pipe sizing for natural gas and LPG, on copper and steel pipework. Built for UK gas engineers who'd rather not be flicking through a sizing chart on the side of a job. Enter your pipe details and gas rate, and the calculator works out the right size in seconds. Useful on quotes, on installs, on fault-finding visits — anywhere you'd normally reach for a chart. WHAT IT DOES - Sizes gas pipes for natural gas and LPG - Works with copper and steel pipework - Designed for UK domestic work - Free to download, no signup required WHY ENGINEERS LIKE IT - No digging out paperwork in a customer's loft - Faster than scrolling through a PDF chart or drawing diagrams by hand - Clean enough to use in front of a customer - Works on phone or tablet GOOD FOR APPRENTICES AND ACS REVISION Studying for your ACS or working through your apprenticeship? Use it to sense-check your manual calculations and get a feel for how pipe length, fittings and gas rate affect sizing — before you're doing it for real on site. WHO IT'S FOR - Gas Safe registered engineers - Heating and plumbing companies - Gas installers working on natural gas or LPG - Apprentices and trainees on ACS courses A FREE TOOL FROM GAS ENGINEER SOFTWARE (GES) Built by the team behind Gas Engineer Software — the UK job-management app used by gas engineers, heating companies and plumbing firms to handle certificates, quotes, scheduling and invoicing. The Gas Pipe Sizing Calculator is a standalone tool — completely free.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 21, 2026 · 1:52 AM Free