Best Roofing Ventilation Calculator Apps

225+ iOS apps curated and reviewed

4.4 avg rating
18 free apps
Updated June 2026

With an average user rating of 4.4★, the roofing ventilation calculator category is one of the App Store's strongest. Browse all 225+ apps we track, sorted so the most loved ones surface first.

Top Picks for Roofing Ventilation Calculator

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
#53in 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 Ventilator#3

Roof Ventilator by GRANARACO LLC

Attic Ventilation Calculator
Worth Considering
📊 Productivity
4.3(6 ratings)
FreeIn-App Purchases
Roof Ventilator screenshot 1

This app calculates attic ventilation requirements based on your attic space and intake ventilation net free areas. It helps design ventilation systems to meet building code limits, suggesting vent quantities and types for optimal function. It also allows you to check existing systems and plan modifications.

More Roofing Ventilation Calculator apps to explore

4
Roof Calculator
Roof Calculator
Roof Calculator
Estimate Roofing Prices
Free

Estimate the cost of roof installations for asphalt shingles, metal, and flat roofs. Prices are calculated based on house dimensions, roof slope, difficulty, location, and material type. Includes a contractor mode for custom pricing and a directory for leads.

Roof installation cost estimationAsphalt, metal, and flat roof materialsCustomizable contractor pricing
💰 Finance
(27)
free
5
Roof Pitch Calculator Pro
Roof Pitch Calculator Pro
Roof Pitch Calculator Pro
roof pitch factor calculator
Free

This tool simplifies roofing calculations for professionals and DIYers. It measures roof pitch, calculates area and cost, and generates estimates. Get precise measurements for your next roofing project.

Roof pitch calculationRoofing area and cost calculationSquare footage measurement
🔧 Utilities
(11)
free with in-app purchases
6
GAF QuickMeasure
GAF QuickMeasure
GAF QuickMeasure
Fast & Accurate Roof Reports
Free

Generate comprehensive roof measurement reports quickly and accurately. Ideal for single-family homes with reports in under an hour, and commercial/multifamily properties within 24 hours. Reports include detailed measurements of roof area, pitch, and various components.

Fast roof reportsAccurate measurementsRoof area calculation
💼 Business
(835)
paid
7
HVACR Check & Charge
HVACR Check & Charge
HVACR Check & Charge
PT Charts Superheat Subcooling
Free

This app provides an instant mobile refrigerant charge calculator for HVACR applications. It supports various refrigerants and allows users to calculate the correct system charge based on superheat, subcooling, or airflow, along with environmental conditions.

Instant refrigerant charge calculatorSuperheat calculator (non-TXV)Subcooling calculator (TXV)
🔍 Reference
(17K)
free
8
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
9
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
10
Duct Calculator - DuctCalc
Duct Calculator - DuctCalc
Duct Calculator - DuctCalc
HVAC Sizing & Psychrometric
Free

This app provides professional HVAC duct sizing and psychrometric calculations in a single tool. It offers detailed calculations for various duct types and materials, along with comprehensive humid air property analysis. Designed for HVAC professionals, it replaces traditional ductulators with accurate digital functionality.

Duct sizing for round, rectangular, and flexible ductsFittings pressure drop calculationPsychrometric analysis with interactive chart
🔧 Utilities
(7)
free with in-app purchases
11
Roof Pitch Factor
Roof Pitch Factor
Roof Pitch Factor
by BeOriginal
Free

Measure roof pitch accurately using your device's camera or manually. Get results in both pitch factor and degrees without complex calculations. Includes location data for saved photos.

Measure pitch with cameraManual pitch measurementDisplays pitch factor
🔧 Utilities
(456)
paid
12
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
13
RoofSnap: Roof Measurement App
RoofSnap: Roof Measurement App
RoofSnap: Roof Measurement App
Roofing Estimating & Reporting
Free

This app provides roofing contractors with tools for fast and accurate roof measurements, professional reporting, and customizable estimates. It streamlines the sales process, saving time and offering customers multiple options.

Roof Measurement ToolsProfessional Roof Measurement ReportsIntegrated Estimate Builder
📊 Productivity
(40)
free with in-app purchases
14
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
(68)
paid
15
10bii Financial Calculator
10bii Financial Calculator
10bii Financial Calculator
Easy Financial Calculator
$7.99

This app offers a comprehensive financial calculator with over 105 functions for business, statistics, and general math. It simplifies complex calculations like loan payments, time value of money, and investment analysis with an intuitive interface and visual tools. Easy modes are available for users new to financial calculations.

Over 105 financial, business, and math functionsTime Value of Money (TVM) calculationsUneven Cashflow worksheets
💰 Finance
(663)
free with in-app purchases
16
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
17
SimplyWise: Cost Estimator
SimplyWise: Cost Estimator
SimplyWise: Cost Estimator
Construction Estimate Maker
Free

This app uses AI to transform job site photos into detailed construction estimates, including material and labor costs. It generates professional bids, suggests upsells, and helps manage projects from start to finish, all from your mobile device.

AI-powered photo-to-estimateBefore & after visualization3D room scanning
💼 Business
(28K)
free with in-app purchases
18
Rapid Vent Calculator
Rapid Vent Calculator
Rapid Vent Calculator
Medical Ventilator Calculator
Free

This medical app assists healthcare professionals in calculating essential ventilator settings and medication dosages for critical care. It provides rapid, accurate results for paramedics, respiratory therapists, nurses, and doctors, streamlining patient management.

Effortless ventilator settings calculationRapid results for quick decision-makingRSI medication dosage assistant
🏥 Medical
(45)
free
19
Soil Calculator Plus
Soil Calculator Plus
Soil Calculator Plus
by Inch Calculator
Free

Easily estimate the volume of soil, topsoil, dirt, and landscaping materials needed for any project. Supports various area shapes and multiple measurement units, providing results in multiple volume and weight formats, including the number of bags.

Estimate soil volumeSupports rectangular and circular areasMultiple measurement units (inches, feet, yards, cm, meters)
🔧 Utilities
(668)
ad-supported
20
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