Every answer at once
Press Stair and see riser height, risers, tread width, stringer length and angle together. Rafters, rake walls and circles work the same way.
Construction calculator · Android
ConstruMath
Feet, inches and fractions, the way you build.
Get it on Google Play (opens in a new tab)
About the platform
- Developer
- Carved Stone Interactive
- Type
- Construction calculator
- Platform
- Android
- Languages
- Spanish and English
- Availability
- Free on Google Play
ConstruMath is a feet-inch-fraction construction calculator for carpenters, framers, contractors and anyone building something. Type a dimension the way you say it and get answers you can mark on the board, in English or Spanish. Every calculator function is free.
Out now on Google Play. In English and Spanish.
Privacy policyFraming and roofs
Rise, run, diagonal and pitch, common, hip, valley and jack rafters, and square-up diagonals for a foundation.
Estimating
Concrete in cubic yards, board feet, lumber cost and weight, with memory and a live paper tape.
Need a hand?
Questions or feedback about ConstruMath?