Best Rafter Length Calculator Apps

250+ iOS apps curated and reviewed

4.1 avg rating
15 free apps
Updated August 2026

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.

Compare top Rafter Length Calculator Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Rafter Length CalculatorRafter Length CalculatorFree was $1.993.7★ (6)NoYesAug 2026
2Roof Guide - Carpentry CalcRoof Guide - Carpentry CalcFree4.1★ (16)NoYesMay 2026
3RoofCalc - Roofing CalculatorRoofCalc - Roofing CalculatorFree was $12.994.0★ (9)NoYesMay 2026
4Roofing Calculator ProRoofing Calculator ProFree3.8★ (37)NoYesAug 2026
5RedX Roof - Rafter CalculatorRedX Roof - Rafter CalculatorFree4.7★ (850)NoYesAug 2026
6Rafter HelpRafter Help$1.994.5★ (212)NoNoAug 2026
7Construction Master Pro CalcConstruction Master Pro CalcFree4.8★ (39K)NoYesAug 2026
8Hip Roof Framing CalculatorHip Roof Framing Calculator$1.99NoNoJul 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
3.7(6 ratings)
FreeIn-App Purchases
Rafter Length Calculator screenshot 1
Rafter Length Calculator screenshot 2
Rafter Length Calculator screenshot 3
Rafter Length Calculator screenshot 4
Rafter Length Calculator screenshot 5
Rafter Length Calculator screenshot 6

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.

Roof Guide - Carpentry Calc#2

Roof Guide - Carpentry Calc by Infoguide Pty Ltd

Carpenters Framing Calculator
Strong Contender
🔧 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.

RoofCalc - Roofing Calculator#3

RoofCalc - Roofing Calculator by Infoguide Pty Ltd

Roof & Framing Carpenters
Worth Considering
🔧 Utilities
4.0(9 ratings)
FreeIn-App Purchases
RoofCalc - Roofing Calculator screenshot 1
RoofCalc - Roofing Calculator screenshot 2
RoofCalc - Roofing Calculator screenshot 3
RoofCalc - Roofing Calculator screenshot 4
RoofCalc - Roofing Calculator screenshot 5
RoofCalc - Roofing Calculator screenshot 6

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.

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
(37)
free with in-app purchases
5
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
(850)
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
Construction Master Pro Calc
Construction Master Pro Calc
Construction Master Pro Calc
Feet Inch Fraction Calculator
Free

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.

Dimensional math and conversionsRight angle and rafter calculationsArea and volume solutions
🔧 Utilities
(39K)
free with in-app purchases
8
Hip Roof Framing Calculator
Hip Roof Framing Calculator
Hip Roof Framing Calculator
Rafter Angles, Cuts & Lengths
$1.99
🔧 Utilities
(0)
9
Stair and Angle Calculator
Stair and Angle Calculator
Stair and Angle Calculator
by Paul Simmonds
$0.99
🔧 Utilities
(0)
10
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
11
Rafterly: Rafter Calculator
Rafterly: Rafter Calculator
Rafterly: Rafter Calculator
Roof Pitch & Framing Angles
Free
🔧 Utilities
(0)
12
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
13
Framing Calc: Rafter & Stairs
Framing Calc: Rafter & Stairs
Framing Calc: Rafter & Stairs
Rafter & Stair Calculator
Free
🔧 Utilities
(0)
14
Roofing Rafter Calculator
Roofing Rafter Calculator
Roofing Rafter Calculator
Calculate rafter cuts
Free
🔍 Reference
(0)
15
Carpentry & Trim Calculator
Carpentry & Trim Calculator
Carpentry & Trim Calculator
Pro Woodworking & Framing Math
Free

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.

Board and Batten LayoutFraming MathCabinet Door Sizing
🔧 Utilities
(6)
free with in-app purchases
16
Roof Framing Calc: 3D Metric
Roof Framing Calc: 3D Metric
Roof Framing Calc: 3D Metric
Rafter & Hip Roof Builder App
Free
🔧 Utilities
(0)
17
Rafter Calculator Easy
Rafter Calculator Easy
Rafter Calculator Easy
by YAVUZ BULAMADIK
Free
🔧 Utilities
(0)
18
Roof Carpenter - Rafter Calc
Roof Carpenter - Rafter Calc
Roof Carpenter - Rafter Calc
Pitched Roof - Length & Angle
$0.99

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

Rafter length calculationHip and valley length calculationPlumb and foot cut angles
🔧 Utilities
(2)
paid
19
Gable Roof Framing Calculator
Gable Roof Framing Calculator
Gable Roof Framing Calculator
Rafter Pitch & Cost Estimator
$1.99
🔧 Utilities
(0)
20
RedX Construction Calculator
RedX Construction Calculator
RedX Construction Calculator
Feet & inch Fraction Math
Free

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.

Feet-inch-fraction mathRoof pitch and rafter solversStair layout calculations
🔧 Utilities
(4)
free

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 August 2026, with a 3.7-star average from 6 App Store ratings, and it's free to download.
Yes — 15 of the top rafter length calculator apps we rank are free to download, including Rafter Length Calculator and Roof Guide - Carpentry Calc.
Rafter Length Calculator has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 250+ rafter length calculator apps on the iOS App Store as of August 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.