Built for professional carpenters, contractors, builders, and apprentices, Carpentry Formulator delivers powerful calculations and comprehensive reference materials in one intuitive app. Whether you are framing a roof, building stairs, sizing joists, or calculating materials, this app has you covered.
80+ Professional Calculators across 9 Categories:
• Stairs: Number of risers, unit rise, total run, stringer length, stair angle, and riser-tread rule
• Railing & Decks: Baluster spacing, boards needed, screw calculations, and deck framing
• Roofing: Rafter length, roof area (shed, gable, hip), sheathing, pitch-to-angle conversions
• Lumber: Board feet, hardwood flooring cost, linear feet conversions, 3-4-5 rule, diagonal square
• Crown Molding: Miter angles for standard and European spring angles
• Joists & Beams: Moment of inertia, section modulus, deflection, max load, beam sizing
• Materials Needed: Studs, drywall, concrete, plywood, paint coverage, asphalt, and more
• Structural Loads: Wall loads for one-story, two-story, truss, attic, headers, and live design loads
• Sand & Gravel: Volume and weight calculations for aggregates
9 Unit Conversion Categories:
• Linear, Area, Volume, Cubic, Weight, Temperature, Pressure, Power, and Geometry
• Quickly convert between US and metric units for any measurement
Comprehensive Reference Library:
• Guide to Carpentry - 11 chapters covering tools, materials, framing, finishing, and more
• Charts and Tables - 18 reference charts for rafter spans, lumber grades, load tables, and wood species
• Appendices and Glossary - Additional reference materials and terminology
Professional Features:
• Save and compare calculation results
• Share calculations with colleagues and clients
• Favorite frequently used calculators
• US and Metric unit support
• Works offline - no internet required
Carpentry Formulator is FREE to download with access to calculators and reference materials. Upgrade to Pro to unlock saved calculations, additional categories, and premium features.
Every calculator provides detailed breakdowns showing you exactly how results are calculated. Input your values, get instant results, and understand the math behind every calculation.
Popular Calculators Include:
Access essential carpentry references right from your phone. No more carrying heavy books to the job site or searching through stacks of paperwork.
Guide to Carpentry (11 Chapters):
Charts and Tables (18 References):
Additional Resources: