# Construction Calculator: Tools — Feet Inches, Stairs & Framing

> Feet Inches, Stairs & Framing (iPhone/iPad app by Inkal Vadodariya.)

- Source: https://appshunter.io/ios/app/construction-calculator-tools/id6817295803 (this page in markdown: same URL + `.md`)
- Developer: [Inkal Vadodariya](https://appshunter.io/developer/6816386423)
- Category: Utilities, Productivity
- Price: Free
- Age rating: 4+
- Requires: iOS 15.0 · 27 MB
- Languages: American English
- Released: 2026-10-09
- Data updated: 2026-10-14

## What is Construction Calculator?

Construction Calculator Pro is the ultimate professional construction, carpentry, and civil engineering calculator—built specifically for general contractors, framers, finish carpenters, masonry builders, and estimators.

Engineered to replace bulky handheld jobsite calculators, Construction Calculator Pro puts tactile, sunlight-readable precision right in your pocket. It works 100% offline with zero account requirements, zero cloud dependencies, and zero monthly subscriptions.

► FRACTIONAL DIMENSIONAL MATH
• Add, subtract, multiply, and divide feet, inches, fractions (down to 1/64"), yards, meters, centimeters, and millimeters.
• Instant unit conversions across imperial and metric dimensions with a single tap.
• Visual 0–15 fraction picker for lightning-fast entry without decimal typing errors.
• Continuous paperless history tape with labeled annotations.

► STAIR STRINGER & RAFTER LAYOUT (WITH CODE CHECKS)
• Stair Layout: Calculate total rise, run, number of risers/treads, stringer throat cuts, and incline angle.
• Built-in IRC / IBC code validation instantly flags non-compliant riser heights or tread depths.
• Rafter Cuts: Calculate common rafters, hips, valleys, jacks, ridge deductions, and birdsmouth seat/plumb cuts with real-time 2D CAD diagrams.

► RUNNING TAPE & BALUSTER SPACING
• Mark framing studs, joists, and baluster center-to-center layouts in a single continuous pass.
• Built-in 4-inch sphere safety check ensures railings meet building code standards.

► CUT LIST & BOARD OPTIMIZER
• First-Fit Decreasing (FFD) 1D bin packing optimizer minimizes scrap and lumber costs.
• Automatically factors in saw blade kerf thickness so your physical cuts match your calculations.

► CIVIL & STRUCTURAL TAKEOFFS
• Concrete Estimator: Slabs, footings, round columns, and curbs with custom waste factors.
• Drywall & Sheathing: Sheet counts, joint compound, and screw estimates.
• Brick & Block Masonry: Modular brick and CMU block counts with mortar volume.
• Concrete Mix Proportions: Cement, sand, aggregate, and water weights for nominal mixes.
• Rebar BBS (Bar Bending Schedule): Total length, weight, and cutting lists.
• RCC Structural Elements: Beams, columns, and slabs.
• Earthwork & Excavation: Trench, pit, and swimming pool volume estimations.

► INTERNATIONAL BUILDING CODES (195+ COUNTRIES)
• Select your jurisdiction to automatically apply local stair rise/tread rules, baluster maximums, and safety guard regulations.

► PRIVACY & TRANSPARENCY
• 100% Offline: Calculates entirely on your device.
• Zero Data Collection: No tracking, no user accounts, nothing sent to external servers.
• Fair Pricing: Free with non-intrusive banner ads that never block your keypad. Optional one-time $9.99 purchase removes all ads forever—no subscriptions.

Support & Privacy Policy: https://chronos-labs.tech

## Is Construction Calculator safe?

Not enough ratings yet to assess Construction Calculator.

## Is Construction Calculator legit?

Construction Calculator: Tools has limited verification signals. The AppsHunter Legitimacy Score for Construction Calculator is 58 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 1 release)

### 1.0 — 2026-10-09

No release notes.

## Apps similar to Construction Calculator

| App | Rating | Price | Category |
| --- | --- | --- | --- |
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| [Stair Stringer Calculator Pro](https://appshunter.io/ios/app/stair-stringer-calculator-pro/id6817401495) | — | Free | Utilities |
| [Concrete Calculator & Tools](https://appshunter.io/ios/app/concrete-calculator-and-tools/id6800688660) | — | Free | Utilities |
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| [Nimbus Connect Installation](https://appshunter.io/ios/app/nimbus-connect-installation/id6504753868) | — | Free | Utilities |
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## More apps by Inkal Vadodariya

- [Fraction Calculator ▸ Ruler](https://appshunter.io/ios/app/fraction-calculator-ruler/id6816386421)

All apps by Inkal Vadodariya: https://appshunter.io/developer/6816386423

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-14.*