Best Rafter Length Calculator Apps

223+ iOS apps curated and reviewed

4.4 avg rating
16 free apps
Updated June 2026

From beginner-friendly picks to power-user tools, our rafter length calculator list covers 223+ iPhone apps updated through June 2026. Compare ratings, prices, and screenshots in one place.

Compare top Rafter Length Calculator Apps (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Rafter Length CalculatorRafter Length CalculatorFree was $1.993.4★ (5)NoNoJul 2026
2RedX Roof - Rafter CalculatorRedX Roof - Rafter CalculatorFree4.7★ (810)NoYesJul 2026
3Construction Master Pro CalcConstruction Master Pro CalcFree4.8★ (39K)NoYesJul 2026
4Roofing Calculator ProRoofing Calculator ProFree3.9★ (31)NoYesJul 2026
5Roof Guide - Carpentry CalcRoof Guide - Carpentry CalcFree4.1★ (16)NoYesMay 2026
6RoofCalc - Roofing CalculatorRoofCalc - Roofing CalculatorFree was $12.994.0★ (9)NoYesMay 2026
7Construction Master 5 CalcConstruction Master 5 CalcFree4.9★ (12K)NoYesJul 2026
8Rafter HelpRafter Help$1.994.5★ (206)NoNoJul 2026

Top Picks for Rafter Length Calculator

Rafter Length Calculator#1

Rafter Length Calculator by Anna Filobok

Calculate in meter, cm, in, ft
Editor's Choice
🔧 Utilities
3.4(5 ratings)
Free
Rafter Length Calculator screenshot 1
Rafter Length Calculator screenshot 2
Rafter Length Calculator screenshot 3
Rafter Length Calculator screenshot 4

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.

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
Construction Master Pro Calc#3

Construction Master Pro Calc by Calculated Industries

Feet Inch Fraction Calculator
Worth Considering
🔧 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

More Rafter Length Calculator apps to explore

4
Roofing Calculator Pro
Roofing Calculator Pro
Roofing Calculator Pro
Calculate in meter, cm, in, ft
Free

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.

Real-time unit conversion (imperial/metric)Calculate roof pitchCalculate rafter length
🔧 Utilities
(31)
free with in-app purchases
5
Roof Guide - Carpentry Calc
Roof Guide - Carpentry Calc
Roof Guide - Carpentry Calc
Carpenters Framing Calculator
Free

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.

Roof framing calculationsDecking and flooring estimatorStud wall setout and costing
🔧 Utilities
(16)
free with in-app purchases
6
RoofCalc - Roofing Calculator
RoofCalc - Roofing Calculator
RoofCalc - Roofing Calculator
Roof & Framing Carpenters
Free
$12.99 | 100% OFF

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.

Hipped, gabled, and single-pitch roof calculationsStud wall calculations and estimatingMetric and imperial unit conversion
🔧 Utilities
(9)
free with in-app purchases
7
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
(12K)
free with in-app purchases
8
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
(206)
free
9
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
10
Roof Calculator: Pitch, Angle
Roof Calculator: Pitch, Angle
Roof Calculator: Pitch, Angle
Cost, area, material: m2, ft2
Free

Easily calculate roof area and cost by entering roof or house dimensions. This tool simplifies complex roofing calculations, helping you estimate materials and expenses.

Automatic roof area calculationRoof cost estimationInput roof or house dimensions
🔧 Utilities
(30)
free with in-app purchases
11
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
12
Concrete Calculator Plus
Concrete Calculator Plus
Concrete Calculator Plus
by Inch Calculator
Free

This app provides 15 calculators for estimating concrete, blocks, mortar, rebar, and gravel. It supports various shapes and units, offering material cost estimations for construction projects.

15 concrete estimation calculatorsEstimates cubic yards or bagsCalculates material costs
🔧 Utilities
(21K)
ad-supported
13
OneCalc: All-in-one Calculator
OneCalc: All-in-one Calculator
OneCalc: All-in-one Calculator
Calculates everything. Try it.
Free

This app offers a comprehensive suite of over 40 calculators and unit converters for various needs, including finance, health, construction, and everyday math. It features standard, scientific, and specialized calculators for tasks like loan amortization, currency conversion, and material estimation.

Over 40 calculators and unit convertersStandard and scientific calculator functionsFinancial calculators (interest, loan, currency)
📊 Productivity
(4.8K)
free with in-app purchases
14
Feet & Inches Tape Calculator
Feet & Inches Tape Calculator
Feet & Inches Tape Calculator
Calculate feet & inches
Free

This app provides a convenient way to perform calculations involving feet and inches. It features a visual tape measure display and supports fractions and mixed decimals, showing results in feet, inches, and centimeters.

Swift measurement calculationsSupport for fractions and mixed decimalsDisplay results in feet, inches, and centimeters
🔧 Utilities
(9.2K)
free with in-app purchases
15
Roofing Rafter Calculator
Roofing Rafter Calculator
Roofing Rafter Calculator
Calculate rafter cuts
Free
🔍 Reference
(0)
16
Construction Calculator++
Construction Calculator++
Construction Calculator++
Length-Width-Height & Rafter
$2.99

This app provides specialized calculations for construction projects, including volume, area, and material estimation. It offers tools for unit conversions, rafter calculations, and circle/arc measurements, aiding in accurate project planning and execution.

Length-Width-Height calculations for area, volume, and wall areaMaterial estimation for bricks, blocks, pavers, and tilesDrywall sheet quantity calculation
🔧 Utilities
(47)
paid
17
Tape Measure Calculator Pro
Tape Measure Calculator Pro
Tape Measure Calculator Pro
Measuring Math Made Easy
$3.99

Perform complex calculations directly on a visual tape measure. Easily add, subtract, multiply, and divide measurements, mixing decimals and fractions. Get results in inches, feet, and centimeters, in both decimal and fractional formats, saving time and preventing errors.

Visual tape measure calculationsAdd, subtract, multiply, divide measurementsMix decimals and fractions
🔧 Utilities
(2.1K)
paid
18
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
19
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
20
Construction Calculator Master
Construction Calculator Master
Construction Calculator Master
Feet Inch Fraction Rafter Cm
Free

This advanced construction calculator simplifies complex measurements for builders, carpenters, and remodelers. It offers a comprehensive suite of math functions, multi-unit support, and visual aids for calculations involving fractions, trigonometry, and rafters. Reduce errors and save time with its intuitive interface and customizable options.

Multi-unit fraction support (feet, inches, yards, metric)Trigonometric functions with visualizationRafter and triangle visualization
🔧 Utilities
(436)
free with in-app purchases

FAQ about Rafter Length Calculator

What are the best rafter length calculator apps for iPhone?
Rafter Length Calculator tops our rafter length calculator apps ranking as of June 2026, with a 3.4-star average from 5 App Store ratings, and it's free to download.
Yes — 16 of the top rafter length calculator apps we rank are free to download, including Rafter Length Calculator and RedX Roof - Rafter Calculator.
Rafter Length Calculator has no ads and has no in-app purchases, according to its App Store listing as of June 2026.
We track 223+ rafter length calculator apps on the iOS App Store as of June 2026, ranked by rating, recency, and analysis of real user reviews.
Rafter Length Calculator is a utility app designed to quickly compute rafter lengths based on provided rise and run measurements. It facilitates seamless conversion between imperial and metric units.
You can input your rise and run measurements in meters, centimeters, inches, or feet. The app then calculates the rafter length in these same units.