
HVAC & Sheet Metal Calculator
Construction Math & Trade Pro
Free · In-App Purchases · Designed for iPad
FREE Try Before You Buy trial: Apple does not charge your App Store account during the free trial.
The ultimate calculator for HVAC professionals and sheet metal specialists. Transform your workflow with precision calculations for ducting offsets and angle measurements. This advanced construction-math calculator simplifies dimensional math, geometry, trigonometry, and includes custom HVAC functions in one versatile tool.
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SHEET METAL FUNCTIONS
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• X, Y, R (radius) calculations
• Theta and Segment Radius functions
• Conversion between Polar and Rectangular Coordinates
• Offset functions for "S"-shaped bends in ductwork
• Wrapper length, centerline radius, and angle solutions
• Air flow calculations and analysis
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TRIGONOMETRIC FUNCTIONS
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• Sine, Cosine, Tangent calculations
• Arcsine, Arcosine, and Arctangent functions
• ArcK Constant for fast Arc Length solutions
• Laws of Cosines for non-90° triangles
• Right-angle solutions for ductwork dimensions
• Complete angle measurement system
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HVAC SPECIFIC CALCULATIONS
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• Fan Law Functions for Test and Balance (TAB)
• CFM, RPM, SP, and BHP calculations
• Velocity and Velocity Pressure measurements
• FPM, VP, MPS, and KPa conversions
• Air flow and pressure analysis
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CONSTRUCTION MATH FUNCTIONS
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• Building dimensional format conversions (feet, inch, fractions, metric)
• Area and volume calculations for any shape
• Square-ups, slopes, rafters, and drains solutions
• Regular and irregular hip/valley rafter length calculations
• Plumb, level, and cheek cut angle determinations
• Complete stair layout functionality
• Circle, column, and cone surface area/volume solutions
• D:M to decimal degree conversions
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MATHEMATICAL CAPABILITIES
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• Parenthesis operators for complex formulas
• Order of operations with mathematical hierarchy
• Square, cube, square root, and cube root calculations
• Scientific notation and decimal precision
• Fraction calculations from 1/2" to 1/64"
• Standard calculator functionality with backspace editing
• Built-in context-sensitive Help feature
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PRACTICAL APPLICATIONS
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• Dimensional math problems for sheet metal layout
• Imperial and metric unit conversions
• Arc, circle, column, and cone measurements
• Offset calculations for ductwork
• Air flow and velocity conversions
• Right angle and rafter solutions
• Stair layout calculations (risers/treads)
TRUSTED TECHNOLOGY
Built on 30+ years of industry experience, this app delivers professional-grade reliability that technicians depend on. Using the same Construction Master dimensional calculator engine that has been the industry standard for over 30 years, it helps you tackle complex calculations with confidence.
PROFESSIONAL ADVANTAGE
Developed alongside leading industrial training organizations, this calculator brings proven tools to your device. With HVAC and sheet metal terminology consistent with trade standards, it serves both professionals and apprentices in training.
Transform your workflow with the calculator that helps top professionals increase accuracy, eliminate errors, and boost productivity with every calculation.
SUBSCRIPTION INFORMATION
Start with a free trial period. Subscriptions offered will automatically renew at the end of the chosen period. Upon purchase confirmation and completion of a free trial, payment will be charged to your Apple account. The subscription will automatically renew unless auto-renew is turned off or the subscription is canceled in settings at least one day (24 hours) before the subscription period ends. You can manage your subscription and turn off auto-renewal in your Apple account Settings > Account (Apple ID) > Subscriptions.
TRADEMARKS
Sheet Metal/HVAC Pro™ is a trademark and Calculated Industries® is a registered trademark of Calculated Industries, Inc.
Copyright 2025
https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Ratings & Reviews
This app has not received enough ratings or reviews to display an overview.
Revised UI, new top navigation bar, and full-text searchable help.
The developer, Calculated Industries, 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
- Provider
- Calculated Industries, Inc.
- Size
- 38.3 MB
- Category
- Utilities
- Compatibility
Requires iOS 14.0 or later.
- iPhone
Requires iOS 14.0 or later. - iPad
Requires iPadOS 14.0 or later. - iPod touch
Requires iOS 14.0 or later. - Mac
Requires macOS 11.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- Languages
- English
- Age Rating
16+
- 16+
- Infrequent
Mature or Suggestive Themes
Contains
Unrestricted Web Access
- In-App Purchases
Yes
- 1 Month Full Access Rp 69ribu
- 1 Year Full Access Rp 399ribu
- Copyright
- © 2010-2025 Calculated Industries, Inc.
