Gable Roof Framing Calculator
Rafter Pitch & Cost Estimator
$1.99 · Designed for iPad. Not verified for macOS.
Plan, calculate, and estimate your gable roof project with precision — right from your iPhone or iPad.
Gable Roof Framing Calculator is a professional-grade tool built for carpenters, builders, roofers, and DIY homeowners. Enter your building dimensions and get instant, accurate results for every aspect of your gable roof framing.
FULL ROOF CALCULATIONS
• Building and roof dimensions with eave and gable overhangs
• Overall rise, ridge top, and ridge bottom heights
• Rafter spacing with equal or exact distribution modes
• Plumb cut angles and setback measurements
• Roof area, gable area, and volume calculations
• Running measurements for ridge and wall layout
INTERACTIVE DIAGRAMS
• Roof Plan — top-down view with rafter layout
• Roof Profile — cross-section showing heights and angles
• Rafter Detail — individual rafter with birdsmouth and plumb cuts
• Pinch-to-zoom for fine detail inspection
MATERIALS & COST ESTIMATOR
• Ridge and rafter quantity with exact dimensions
• Shingle bundles, starter course, squares, and ridge cap
• Enter your unit prices for lumber, roofing, and battens
• Adjustable waste percentage
• Instant cost breakdown with line-item detail and grand total
BONUS TOOLS
• Pitch / Angle Converter — convert between pitch, degrees, and slope %
• Board Feet Calculator — quick lumber volume calculation
• Plywood / Sheathing Estimator — sheets needed for your roof area
• Hip / Valley Rafter Calculator — length, angle, and backing angle
BUILT FOR THE JOBSITE
• Supports Metric (mm) and Imperial (feet–inches–fractions)
• Device angle measurement — place your phone on any slope to capture the roof pitch instantly
• Standard lumber size presets (2×4 through 2×12 and common metric sizes)
• Export a complete multi-page PDF report with results, diagrams, and cost estimates
• Share results via text, email, or any app
METRIC & IMPERIAL
Switch between millimeter-based metric input and a purpose-built feet/inches/fractions picker designed for fast, error-free entry on the jobsite. Every calculation adapts to your chosen unit system automatically.
Whether you are a professional framer pricing a job, a contractor preparing a bid, or a homeowner planning a garage build — Gable Roof Framing Calculator gives you the numbers you need. Fast, accurate, and fully offline.
Download now and take the guesswork out of your next roof.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, Vladislav Zhirnov, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Vladislav Zhirnov
- Size
- 6.1 MB
- Category
- Utilities
- Compatibility
Requires iOS 17.6 or later.
- iPhone
Requires iOS 17.6 or later. - iPad
Requires iPadOS 17.6 or later. - Mac
Requires macOS 14.6 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.3 or later.
- iPhone
- Languages
English and 32 more
- English, Arabic, Croatian, Czech, Danish, Dutch, Finnish, French, German, Greek, Hebrew, Hindi, Hungarian, Indonesian, Italian, Japanese, Korean, Malay, Norwegian Bokmål, Polish, Portuguese, Romanian, Russian, Simplified Chinese, Slovak, Slovenian, Spanish, Swedish, Thai, Traditional Chinese, Turkish, Ukrainian, Vietnamese
- Age Rating
4+
- 4+
- Copyright
- © zhirnov.zsystems

