Radiator Size Calculator
William Newcombe Utilities iPhoneiPadiPod touch
Radiator Size Calculator is a free Utilities app for iPhone and iPad by William Newcombe. Requires iOS 17.0. Updated April 15, 2026.
- Price
- Free
- on the App Store
- Size
- 8 MB
- Age 4+
- Updated
- Apr 15
- 2026 · v1.1
Screenshots
About Radiator Size Calculator
Radiator Size Calculator helps you figure out what size radiator you actually need, without overcomplicating it. You can either get a quick estimate in seconds, or take a bit more time and set up your room properly for a more accurate result. It’s built around typical UK homes, so the numbers you get are practical and useful. == What you get == Free to use • Quick Calculate for fast radiator sizing • Instant BTU and wattage estimates Full Access (one-time purchase) • Guided room setup with step-by-step help • Save multiple rooms • Export your data as text or CSV • More detailed, tailored results
App privacy
The developer, William Newcombe, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
Alternatives to Radiator Size Calculator
Looking for apps like Radiator Size Calculator? Here are 6 similar apps on the App Store. The highest rated is Gas Checker (5.0/5), and 5 of the 6 are free to download.
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Radiator Calculator Pro
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Radisize: Radiator Calculator
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BTU Radiator Calculator
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HeatpunkLIDAR
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The Boiler App
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Gas Checker
5.0
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Radiator Size Calculator | – | Free | April 15, 2026 | |
| Radiator Calculator Pro | – | Free | Oct 26, 2026 | Compare |
| Radisize: Radiator Calculator | – | Free | Oct 7, 2026 | Compare |
| BTU Radiator Calculator | – | 0.99 USD | Sep 17, 2026 | Compare |
| HeatpunkLIDAR | – | Free | Oct 22, 2026 | Compare |
| The Boiler App | – | Free | Aug 9, 2026 | Compare |
| Gas Checker | 5.0 / 5 (1) | Free | Aug 31, 2025 | Compare |