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 August 2026. Compare ratings, prices, and screenshots in one place.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free was $1.99 | 3.7★ (6) | No | Yes | Aug 2026 | |
| 2 | Free | 4.1★ (16) | No | Yes | May 2026 | |
| 3 | Free was $12.99 | 4.0★ (9) | No | Yes | May 2026 | |
| 4 | Free | 3.8★ (37) | No | Yes | Aug 2026 | |
| 5 | Free | 4.7★ (850) | No | Yes | Aug 2026 | |
| 6 | $1.99 | 4.5★ (212) | No | No | Aug 2026 | |
| 7 | Free | 4.8★ (39K) | No | Yes | Aug 2026 | |
| 8 | $1.99 | — | No | No | Jul 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 provides specialized calculators for roofing, framing, decking, stairs, and concrete projects. It helps construction professionals estimate quantities, costs, and set out materials accurately using US or metric measurements.






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 tool quickly calculates roofing pitch, rafter length, and roof area. It seamlessly converts between imperial and metric units in real-time, supporting various input and output formats for measurements.


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.


This app simplifies roof construction by calculating rafter lengths and related measurements. It supports various input formats for pitch and length, offering both quick calculations for gable roofs and advanced control for more complex needs.


This app is a powerful construction calculator designed for professionals working with dimensions. It offers a wide range of solutions for dimensional math, right angle calculations, area and volume, and special functions, helping to improve speed and accuracy in layouts, bids, and estimates.






This construction calculator streamlines measurements with a visual ruler and smart keypad, reducing taps for faster calculations. It offers real-time results, history recall, and one-handed operation for tradespeople.




This app simplifies complex calculations for carpenters, builders, and DIY enthusiasts. It handles tasks like roofing, stairs, and decking, offering both metric and imperial units. Visual aids and detailed measurements enhance accuracy and efficiency on any project.






This app provides professional-grade calculators for carpentry tasks, helping users work faster, reduce material waste, and make informed decisions. It offers a variety of tools for layout, framing, and sizing, designed for efficiency and accuracy on any job site.






Calculate roof and rafter lengths, plumb and foot cut angles, and roof areas. Supports both metric and imperial measurements for various roofing projects.




This free utility app performs complex calculations for construction professionals. It handles feet-inch-fraction math, roof pitches, stair layouts, and unit conversions with ease. Offers step-by-step guides and both light and dark modes.