Best Rafter Calculator App For Carpenters

249+ iOS apps curated and reviewed

4.5 avg rating
19 free apps
Updated August 2026

Finding the right rafter calculator app for carpenters can be overwhelming with so many options. We've analyzed 249+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Rafter Calculator App For Carpenters (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Construction Master Pro CalcConstruction Master Pro CalcFree4.8★ (39K)NoYesAug 2026
2Rafter Calculator EasyRafter Calculator EasyFreeNoNoMay 2026
3Roof Guide - Carpentry CalcRoof Guide - Carpentry CalcFree4.1★ (16)NoYesMay 2026
4RedX Roof - Rafter CalculatorRedX Roof - Rafter CalculatorFree4.7★ (843)NoYesAug 2026
5Carpenter Tools - CalculatorCarpenter Tools - CalculatorFree4.9★ (8)NoYesJul 2026
6Rafter HelpRafter Help$1.994.5★ (212)NoNoAug 2026
7Carpentry CalculatorCarpentry CalculatorFree5.0★ (1)NoYesJul 2026
8Construction Calculator Pro #1Construction Calculator Pro #1FreeNoNoJul 2026

Top Picks for Rafter Calculator App For Carpenters

Construction Master Pro Calc#1

Construction Master Pro Calc by Calculated Industries

Feet Inch Fraction Calculator
Editor's Choice
🔧 Utilities
4.8😐(39K ratings)
FreeIn-App Purchases
#41in 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

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.

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 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.

More Rafter Calculator App For Carpenters apps to explore

4
RedX Roof - Rafter Calculator
RedX Roof - Rafter Calculator
RedX Roof - Rafter Calculator
Rafters, Valleys, Trusses
Free

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.

3D Roof BuilderRafter CalculatorBlueprint Generator
🔧 Utilities
(843)
free with in-app purchases
5
Carpenter Tools - Calculator
Carpenter Tools - Calculator
Carpenter Tools - Calculator
Framing, Stairs, Roof & More
Free

This app simplifies carpentry calculations for framing, roofing, stairs, and more. Quickly get accurate measurements and material counts without complex formulas or spreadsheets. Ideal for on-site work, shop use, or estimating.

Framing calculationsRafter and roof calculationsStair rise and run
🔧 Utilities
(8)
free with in-app purchases
6
Rafter Help
Rafter Help
Rafter Help
Roof Pitch + Length Calculator
$1.99

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.

Calculate rafter length and associated valuesDetermine roof pitch, rafter lengths, and ridge heightSupports gable roofs
🔧 Utilities
(212)
free
7
Carpentry Calculator
Carpentry Calculator
Carpentry Calculator
Calculations made easy
Free

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.

Roofing calculationsStair and decking measurementsConcrete slab and post hole calculations
🔧 Utilities
(1)
free
8
Construction Calculator Pro #1
Construction Calculator Pro #1
Construction Calculator Pro #1
Feet to inch conversion & more
Free

This app provides advanced construction math tools for builders and contractors. It offers precise calculations for framing, material estimation, and complex angles, helping to reduce errors and save time on the job.

Dimensional conversions (feet-inch, decimal, metric)Rafter, stair, and angle calculationsArea, volume, and material estimations
🔧 Utilities
(0)
free
9
Framing Calc: Rafter & Stairs
Framing Calc: Rafter & Stairs
Framing Calc: Rafter & Stairs
Rafter & Stair Calculator
Free
🔧 Utilities
(0)
10
RoofCraft
RoofCraft
RoofCraft
by EU SP Z O O
Free
🔧 Utilities
(0)
11
Roofing Rafter Calculator
Roofing Rafter Calculator
Roofing Rafter Calculator
Calculate rafter cuts
Free
🔍 Reference
(0)
12
Carpentry & Trim Calculator
Carpentry & Trim Calculator
Carpentry & Trim Calculator
Pro Woodworking & Framing Math
Free
🔧 Utilities
(0)
13
Feet Inch Calculator Tape Mate
Feet Inch Calculator Tape Mate
Feet Inch Calculator Tape Mate
Fraction & Measure Converter
Free

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.

Visual ruler for zero-typing inputSmart keypad for fast fraction entryReal-time results with unit conversions
📊 Productivity
(2)
free with in-app purchases
14
StairPlan: Stair Calculator
StairPlan: Stair Calculator
StairPlan: Stair Calculator
Rise, Run, Stringer & Tread
Free
🔧 Utilities
(0)
15
Construction Master 5 Calc
Construction Master 5 Calc
Construction Master 5 Calc
Feet Inch Fraction Calculator
Free

This app is a powerful feet-inch-fraction calculator designed for construction professionals. It offers advanced calculation capabilities for layouts, bids, and estimates, simplifying complex measurements and conversions for enhanced project accuracy and efficiency.

Feet-inch-fraction calculationsRight angle and rafter calculationsArea and volume solutions
🔧 Utilities
(13K)
free with in-app purchases
16
Sixteenths: Construction Calc
Sixteenths: Construction Calc
Sixteenths: Construction Calc
Feet Inch Fraction Calculator
Free
🔧 Utilities
(0)
17
Construction Calculator Master
Construction Calculator Master
Construction Calculator Master
Feet Inches Fraction & Rafter
Free
📊 Productivity
(0)
18
Roof Rafter: Framing Calc
Roof Rafter: Framing Calc
Roof Rafter: Framing Calc
Rafter, Hip, Valley, Truss
Free
✈️ Travel
(0)
19
Chalk: Construction Calculator
Chalk: Construction Calculator
Chalk: Construction Calculator
Metric, Feet & Inches, Stairs
Free

This construction calculator handles metric and imperial units seamlessly, offering specialized tools for various trades like framing, tiling, and concrete work. It features an AI advisor for job guidance and works offline, ensuring accessibility on any job site.

Metric and imperial unit supportSpecialized trade calculators (stairs, rafters, concrete, etc.)AI Advisor for job guidance
🔧 Utilities
(1)
free with in-app purchases
20
Wood Campus Builders' APP
Wood Campus Builders' APP
Wood Campus Builders' APP
by Svenskt Trä
Free

This app assists wood construction professionals and DIYers with essential calculations. It determines material quantities, volumes, surface areas, and angles, along with maximum joist and beam spans for woodworking projects.

Quantity calculationVolume calculationSurface area calculation
🔧 Utilities
(1)
free

FAQ about Rafter Calculator App For Carpenters

What is the best rafter calculator app for carpenters for iPhone?
Construction Master Pro Calc tops our rafter calculator app for carpenters ranking as of August 2026, with a 4.8-star average from 39K App Store ratings, and it's free to download.
Yes — 19 of the top rafter calculator app for carpenters we rank are free to download, including Construction Master Pro Calc and Rafter Calculator Easy.
Construction Master Pro Calc has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 249+ rafter calculator app for carpenters on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
This app is a powerful calculator designed for construction professionals. It specializes in dimensional math, offering solutions for layouts, bids, estimates, and complex calculations involving feet, inches, fractions, and metric units. It aims to improve speed and accuracy in various construction tasks.
Key features include comprehensive dimensional math and conversions, built-in right angle and rafter solutions, area and volume calculations, full trigonometric functions, and special functions like board feet and stud calculations. It also provides a built-in user's guide with context-sensitive help and the ability to save and share calculations.