Best Rafter Calculator Apps

222+ iOS apps curated and reviewed

4.5 avg rating
18 free apps
Updated May 2026

Looking for free rafter calculator apps? 18 of our 222+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Top Picks for Rafter Calculator

RedX Roof - Rafter Calculator#1

RedX Roof - Rafter Calculator by RedX Technology Inc

Rafters, Valleys, Trusses
Editor's Choice
🔧 Utilities
4.7😐(810 ratings)
FreeIn-App Purchases
RedX Roof - Rafter Calculator screenshot 1
RedX Roof - Rafter Calculator screenshot 2
RedX Roof - Rafter Calculator screenshot 3
RedX Roof - Rafter Calculator screenshot 4
RedX Roof - Rafter Calculator screenshot 5
RedX Roof - Rafter Calculator screenshot 6

A powerful construction tool for roof design and calculations, featuring a free rafter calculator and various tools for different roofing projects like trusses, valleys, and rafters. Save time and get precise measurements with this user-friendly app.

What We Love

  • 🚀 Great app
  • 👍 Easy to use
  • 👍 Helpful for roofing work
  • 👍 Saves time

Room to Improve

  • 🐛 Crashes
  • 🔒 Requires account signup
  • 💰 Paid features
Construction Master Pro Calc#2

Construction Master Pro Calc by Calculated Industries, Inc.

Feet Inch Fraction Calculator
Strong Contender
🔧 Utilities
4.8😐(39K ratings)
FreeIn-App Purchases
#48in Utilities
Construction Master Pro Calc screenshot 1
Construction Master Pro Calc screenshot 2
Construction Master Pro Calc screenshot 3
Construction Master Pro Calc screenshot 4
Construction Master Pro Calc screenshot 5
Construction Master Pro Calc screenshot 6

An essential tool for professionals working with dimensions, this app optimizes speed and accuracy while reducing errors. Try it for free before purchase on your App Store account. Ideal for enhancing productivity on the go.

What We Love

  • 🚀 Convenient and always available
  • ⚙️ Comprehensive construction calculations
  • 💪 Industry-standard tool
  • 🔍 Accurate and reliable

Room to Improve

  • 💰 Subscription model too expensive
  • 🔒 Locks data behind subscription
  • 🔄 Forced to re-purchase after device changes
Roof Guide - Carpentry Calc#3

Roof Guide - Carpentry Calc by Infoguide Pty Ltd

Carpenters Framing Calculator
Worth Considering
🔧 Utilities
4.1(16 ratings)
FreeIn-App Purchases
Roof Guide - Carpentry Calc screenshot 1
Roof Guide - Carpentry Calc screenshot 2
Roof Guide - Carpentry Calc screenshot 3
Roof Guide - Carpentry Calc screenshot 4
Roof Guide - Carpentry Calc screenshot 5
Roof Guide - Carpentry Calc screenshot 6

This construction calculator app provides a comprehensive set of tools for carpenters, roofers, contractors, and builders to perform calculations for roofing, framing, decking, stairs, and concrete, with features to estimate quantities and costs. With this app, users can save time and effort on calculations, and easily generate reports, making it an indispensable tool for construction professionals.

More Rafter Calculator apps to explore

4
Roofing Rafter Calculator
Roofing Rafter Calculator
Roofing Rafter Calculator
Calculate rafter cuts
Free
🔍 Reference
(0)
5
Roofing Calculator Pro
Roofing Calculator Pro
Roofing Calculator Pro
Calculate in meter, cm, in, ft
Free

This application quickly calculates and converts roofing measurements between imperial and metric units, allowing users to easily determine roof pitch, rafter length, and roof area. Simply input your rise, run, and house area, and get instant results in various units, including meters, centimeters, inches, and feet.

🔧 Utilities
(31)
6
Construction Master 5 Calc
Construction Master 5 Calc
Construction Master 5 Calc
Feet Inch Fraction Calculator
Free

An innovative feet-inch-fraction calculator designed for construction professionals, the app offers versatile functionality, advanced calculation capabilities, and comprehensive solutions for various projects. Optimized for mobile devices, it enhances efficiency and accuracy in measurements, making it a valuable tool for builders, contractors, designers, and advanced DIYers. Simplify complex calculations and elevate your projects with the Construction Master 5 – your indispensable partner for precision and professionalism.

🔧 Utilities
(12K)
7
Rafter Calculator Easy
Rafter Calculator Easy
Rafter Calculator Easy
by YAVUZ BULAMADIK
Free
🔧 Utilities
(0)
8
Feet and Inches Calculator
Feet and Inches Calculator
Feet and Inches Calculator
Perfect Construction Calc!
Free

Calculate measurements with ease using this construction calculator designed for quick and accurate results. Perfect for all your project needs – download now and simplify your work!

🔧 Utilities
(384)
9
Rafter Help
Rafter Help
Rafter Help
Roof Pitch + Length Calculator
$1.99

This application helps users calculate rafter length and associated values for building, allowing them to quickly find roof pitch, rafter lengths, and ridge height for gable roofs. With various input options and features, users can accurately solve rafter equations and get precise results, try it out to make your building calculations easier.

🔧 Utilities
(206)
10
Carpentry Calculator
Carpentry Calculator
Carpentry Calculator
Calculations made easy
Free
🔧 Utilities
(0)
11
The Chippy Calc: Calculator
The Chippy Calc: Calculator
The Chippy Calc: Calculator
Stairs, Decks, Rafters, Walls
Free

This application helps carpenters, builders, and DIYers work efficiently with precise calculations and visual results for construction tasks, including stairs, decks, rafters, and walls. With a range of specialized calculators, users can work offline, switch between metric and imperial units, and save their work for later, allowing them to build smarter and calculate faster.

🔧 Utilities
(2)
12
RoofCalc - Roofing Calculator
RoofCalc - Roofing Calculator
RoofCalc - Roofing Calculator
Roof & Framing Carpenters
Free
$12.99 | 100% OFF

This roofing and framing carpentry calculator is an essential tool for construction professionals, offering easy-to-use calculations for various roof types and timber layouts, with features such as metric and imperial conversions, and the ability to print, email, or message results. Download now to streamline your roofing construction calculations and estimates.

🔧 Utilities
(9)
13
Construction Calculator SS
Construction Calculator SS
Construction Calculator SS
Design & Building Math Calc
Free
🔧 Utilities
(8)
14
Roof Calculator: Pitch, Angle
Roof Calculator: Pitch, Angle
Roof Calculator: Pitch, Angle
Cost, area, material: m2, ft2
Free

This application helps users calculate the area and cost of their roof by simply entering the roof size or house area parameters. It provides an easy and automatic way to get accurate calculations for roof area and material costs in both square meters and square feet.

🔧 Utilities
(30)
15
Feet & Inches Tape Calculator
Feet & Inches Tape Calculator
Feet & Inches Tape Calculator
Calculate feet & inches
Free

Calculate feet and inches easily, with added features such as area and volume calculations for construction projects. Simplify your measurements and calculations today!

🔧 Utilities
(9.2K)
16
Construction Calculator
Construction Calculator
Construction Calculator
Feet Inch Calculator
Free

A top-rated Construction Calculator designed for iPhone and iPad, catering to carpenters' needs for precise inch, feet, and fraction calculations. Packed with user-friendly features and an elegant design for seamless usability. Experience award-winning accuracy at your fingertips – download now for professional construction calculations!

🔧 Utilities
(554)
17
OneCalc: All-in-one Calculator
OneCalc: All-in-one Calculator
OneCalc: All-in-one Calculator
Calculates everything. Try it.
Free

A versatile calculator app for iPhone and iPad offering over 40 calculators and unit converters for finance, health, and more. Simplify your calculations with just one app today!

📊 Productivity
(4.8K)
18
Construction Calculator Master
Construction Calculator Master
Construction Calculator Master
Feet Inch Fraction Rafter Cm
Free

A cutting-edge construction calculator app for builders and handymen featuring a range of math functions, advanced unit support, trigonometry visualization, rafters visualization, memory functions, and more. Simplify your construction calculations and optimize your workflow with this powerful tool. Download now and elevate your building projects to the next level!

🔧 Utilities
(436)
19
BuildCalc
BuildCalc
BuildCalc
Construction Calculator
$24.99
🔧 Utilities
(68)
20
Concrete Calculator Plus
Concrete Calculator Plus
Concrete Calculator Plus
by Inch Calculator
Free

Estimate concrete quantities with ease using 15 free calculators available in the app for various construction projects such as slabs, walls, and columns. Input dimensions in different units and receive results in both US customary and metric measurements. Access these trusted calculators by visiting www.inchcalculator.com.

🔧 Utilities
(21K)

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