Calculate the ideal radiator size and quantity for any room. Input room details like dimensions, glazing, and wall types to get precise recommendations. Save and email room specifications for later reference or client sharing.






247+ iOS apps curated and reviewed
Whether you're new to radiator calculator or looking for an upgrade, our curated collection of 247+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | $1.99 | 4.8★ (4) | No | No | Oct 2026 | ||
| 2 | Free | — | No | Yes | Oct 2026 | ||
| 3 | Free | — | No | Yes | Oct 2026 | ||
| 4 | Free | — | No | Yes | Oct 2026 | ||
| 5 | Free | — | No | No | Aug 2026 | ||
| 6 | $4.99 | 1.5★ (2) | No | No | Sep 2026 | ||
| 7 | Free | 5.0★ (1) | No | No | May 2026 | ||
| 8 | Free | 4.8★ (52) | No | No | Oct 2026 |






Calculate the ideal radiator size and quantity for any room. Input room details like dimensions, glazing, and wall types to get precise recommendations. Save and email room specifications for later reference or client sharing.





Accurately calculate the heating requirements for any room in your home. This tool supports unlimited rooms, offers precise calculations in Watts and BTU, and features a clean, intuitive design with dark mode support.






Calculate the precise radiator output needed for any room based on its dimensions, glazing, and materials. Generate professional PDF reports for planning and documentation. All calculations are performed offline on your device.