Framing Calc: Rafter & Stairs

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Everyone
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About this app

Framing Calc is a construction calculator built for carpenters, framers, and builders.

Rafters, hips and jacks, stairs, stud counts, concrete, blocks, roof area, and board feet - in feet, inches, and fractions, the way your tape reads. One-time purchase for Pro. No ads. No subscription.

- Common rafters: length, plumb cut, bird's mouth from pitch
- Hip/valley and jack rafters
- Stair stringers: rise, run, and step layout
- Stud counts at 16" or 24" o.c.
- Concrete volume, block counts, roof area, board feet
- Triangle / pitch solver
- Fraction-first input and results to 1/16"

Built to replace subscription construction calculators with honest one-time pricing.
Updated on
Jul 3, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
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This app may collect these data types
App activity and App info and performance
Data is encrypted in transit
Content rating
Everyone
In-App Purchases
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App support

About the developer
김건우
cleverlywittyapps@gmail.com
동소문로3길 23 성북구, 서울특별시 02833 South Korea

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