This tool quickly calculates rafter lengths based on rise and run. It supports conversions between imperial and metric units in real-time, offering results in meters, centimeters, inches, and feet.






250+ iOS apps curated and reviewed
From beginner-friendly picks to power-user tools, our rafter length calculator list covers 250+ iPhone apps updated through October 2026. Compare ratings, prices, and screenshots in one place.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 3.7★ (6) | No | Yes | Aug 2026 | ||
| 2 | Free | 4.1★ (10) | No | Yes | Sep 2026 | ||
| 3 | Free | 4.7★ (850) | No | Yes | Oct 2026 | ||
| 4 | Free | 3.9★ (17) | No | Yes | Oct 2026 | ||
| 5 | Free | 3.8★ (37) | No | Yes | Aug 2026 | ||
| 6 | $1.99 | 4.5★ (212) | No | No | Oct 2026 | ||
| 7 | Free | — | No | No | May 2026 | ||
| 8 | Free | — | No | Yes | Sep 2026 |






This tool quickly calculates rafter lengths based on rise and run. It supports conversions between imperial and metric units in real-time, offering results in meters, centimeters, inches, and feet.






This app assists roofing and framing carpenters with complex calculations for various roof types and stud walls. It offers metric and imperial unit conversion, a standard calculator, and the ability to share results via email or message. Optimized for iPhones and iPads, it's designed for ease of use by construction professionals.






This app is a 3D roof builder and rafter calculator for contractors and DIYers. It automatically generates professional blueprints with labeled parts, cut lists, and material estimates. Design complex roof systems in interactive 3D and export plans for the job site.