Best Rafter Calculator App For Carpenters

213+ iOS apps curated and reviewed

4.5 avg rating
19 free apps
Updated June 2026

Finding the right rafter calculator app for carpenters can be overwhelming with so many options. We've analyzed 213+ 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 (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Construction Master Pro CalcConstruction Master Pro CalcFree4.8★ (39K)NoYesJul 2026
2RedX Roof - Rafter CalculatorRedX Roof - Rafter CalculatorFree4.7★ (810)NoYesJul 2026
3Roof Guide - Carpentry CalcRoof Guide - Carpentry CalcFree4.1★ (16)NoYesMay 2026
4Construction Calculator Pro #1Construction Calculator Pro #1FreeNoNoJul 2026
5Rafter Calculator EasyRafter Calculator EasyFreeNoNoMay 2026
6Chippy Tools: ConstructionChippy Tools: ConstructionFree4.7★ (946)YesYesJul 2026
7Carpenter Tools - CalculatorCarpenter Tools - CalculatorFree4.9★ (8)NoYesJul 2026
8Carpentry CalculatorCarpentry CalculatorFreeNoYesMay 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
#58in 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
RedX Roof - Rafter Calculator#2

RedX Roof - Rafter Calculator by RedX Technology Inc

Rafters, Valleys, Trusses
Strong Contender
🔧 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

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.

What We Love

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

Room to Improve

  • 🐛 Crashes
  • 🔒 Requires account signup
  • 💰 Paid features
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
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
5
Rafter Calculator Easy
Rafter Calculator Easy
Rafter Calculator Easy
by YAVUZ BULAMADIK
Free
🔧 Utilities
(0)
6
Chippy Tools: Construction
Chippy Tools: Construction
Chippy Tools: Construction
Construction Calculator
Free

This app simplifies complex calculations for construction professionals. It offers a variety of tools for tasks like spacing, measurements, and material estimation, helping to reduce errors and save time on job sites. Available on iPhone and iPad, it aims to be an essential tool for tradespeople.

Baluster spacing calculatorFlat run attached baluster calculatorSquare calculator
🔧 Utilities
(946)
freemium
7
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
8
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
(0)
free
9
RoofCraft
RoofCraft
RoofCraft
by EU SP Z O O
Free
🔧 Utilities
(0)
10
Calculator₊
Calculator₊
Calculator₊
Basic, Scientific, Plus Calc
Free

This app offers a comprehensive suite of calculation tools, including basic, scientific, and unit conversion functions. It features an AI-powered math solver that can solve problems from photos and a dedicated math notes section for jotting down equations and diagrams. Accessibility options like dynamic text size and VoiceOver support are also included.

Basic and scientific calculationsUnit and currency converterAI-powered math solver with photo recognition
🔧 Utilities
(1.7M)
free with in-app purchases
11
Feet and Inches Calculator
Feet and Inches Calculator
Feet and Inches Calculator
Perfect Construction Calc!
Free

A powerful construction calculator designed for tradespeople. It offers a wide range of tools for estimating, layout, framing, and jobsite calculations, helping to save time and improve accuracy. Supports both imperial and metric units.

Construction math and estimatingLayout, framing, and jobsite calculationsImperial and metric unit conversion
🔧 Utilities
(384)
free with in-app purchases
12
Construction Calculator
Construction Calculator
Construction Calculator
Feet Inch Calculator
Free

This app is a powerful calculator designed for construction and woodworking professionals, as well as students. It simplifies calculations involving feet, inches, and fractions, offering conversions between various measurement units and displaying equations and results simultaneously. Advanced features are available through optional in-app purchases.

Decimal to fraction converterFraction to decimal conversionSimultaneous equation and result display
🔧 Utilities
(554)
free with in-app purchases
13
BuildCalc
BuildCalc
BuildCalc
Construction Calculator
$24.99

This app enhances traditional construction calculators with advanced functions for layout, material estimation, and complex calculations. It offers interactive features, customizable material sizes, and streamlined results presentation to reduce complexity and improve accuracy for professionals.

Advanced baluster and stair layoutFence post and material estimationInteractive calculation adjustments
🔧 Utilities
(69)
paid
14
Buildr - Building Calculator
Buildr - Building Calculator
Buildr - Building Calculator
Measure - Plan - Build
Free

This app streamlines construction calculations for professionals and DIYers. It simplifies complex math for projects like roofing, staircases, and material estimation, offering interactive tools for precise measurements and reduced waste.

Interactive wall framingStaircase builderCubic and square meter tally
🔧 Utilities
(13)
free with in-app purchases
15
Calculator Pro Lite
Calculator Pro Lite
Calculator Pro Lite
Best Calculator
Free

A highly customizable calculator app offering a modern interface and extensive features. Personalize themes, button layouts, and visual elements. Track your calculations with a detailed history and access scientific functions.

Customizable themes and colorsDual-line displayCalculation history
🔧 Utilities
(3K)
ad-supported
16
Calculator - Simple & Basic
Calculator - Simple & Basic
Calculator - Simple & Basic
by The App Tower Inc.
Free

This utility app offers a straightforward calculation experience with a vast selection of over 80 customizable themes. Personalize your calculator's appearance to suit your style while performing everyday math tasks.

Basic calculationsOver 80 themesTheme customization
🔧 Utilities
(146K)
free with in-app purchases
17
Span Calc
Span Calc
Span Calc
Span calculator using NDS®
Free

Calculate maximum horizontal spans for wood joists and rafters using various lumber species and grades. Compares multiple options for common loading conditions based on NDS® standards.

Calculates joist and rafter spansSupports all softwood and hardwood lumberUses 2021 NDS® for Wood Construction
🔧 Utilities
(15)
free
18
Mortgage Pal - Loan Calculator
Mortgage Pal - Loan Calculator
Mortgage Pal - Loan Calculator
Payment compound interest rate
Free

This comprehensive mortgage toolkit helps users make informed home buying decisions. It offers multiple calculators for payments, affordability, refinancing, and closing costs, along with tools to visualize rate trends and compare renting versus buying.

Mortgage Payment CalculatorMortgage Affordability CalculatorMortgage Refinance Calculator
💰 Finance
(3.4K)
free
19
Big Button Calculator Pro Lite
Big Button Calculator Pro Lite
Big Button Calculator Pro Lite
Easy Basic Calculator
Free

A user-friendly calculator app featuring large buttons and customizable colorful backgrounds. It offers a dual-line display, multi-line input for complex equations, and convenient gesture controls for editing and copying.

Large buttonsDual-line display18 color themes
🔧 Utilities
(13K)
ad-supported
20
RedX Stairs - 3D Calculator
RedX Stairs - 3D Calculator
RedX Stairs - 3D Calculator
Design & Calculate Stairs
Free

This app simplifies complex stair calculations and designs with advanced 3D visualization. It offers a comprehensive suite of calculators for various stair types, supporting multiple measurement units and providing detailed, to-scale plans for professionals and DIYers.

Advanced 3D stair visualizationComprehensive stair calculatorsTo-scale stair plans with precise measurements
🔧 Utilities
(397)
free with in-app purchases

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 June 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 RedX Roof - Rafter Calculator.
Construction Master Pro Calc has no ads and offers in-app purchases, according to its App Store listing as of June 2026.
We track 213+ rafter calculator app for carpenters on the iOS App Store as of June 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.