Home Builder Pro Calcs Available at the App Store
Only $4.99 USD

With over 350 home improvement calculations and unit conversions Home Builder Pro Calcs gives you access to quickly and easily solve a variety of calculations including hours and cost estimates and take off quantities. Calculations can be saved and emailed.

Easy to use and understand inputs and results in either decimals or fractions.

Current Calculators include:


  • 28 calculators for loans, pricing, travel costs, and more.

Concrete & Paving

  • 11 calculators for asphalt, concrete, paver bricks, and more.


  • 5 different calculators

Floors, Walls & Ceilings

  • 13 calculators for carpet, drywall, wall covering, tile, paint, and more.


  • 33 calculators for foundations, soil, grading, rebar, etc.


  • 18 calculators for balusters, joists, studs, siding, stairs, and more

Heating & A/C

  • 8 calculators for airflow, attics, fans, air conditions, insulation...

Hours Estimates

  • Effort Factor
  • Over 55 different estimators for:
  • Carpentry - finish, siding, stairs, walls, ...
  • Concrete - blocks, bricks, concrete, reinforcement, tile, ...
  • Doors & Windows - garage doors, glass, metal, windows, wood, ...
  • Finishes - carpet, paint, wood floors, stucco, plaster, tile, ....
  • Roofing - roofing, sheathing, sheet metal, ...
  • Site Work - concrete demolition, excavation, stumps, trees, forms, culverts, landscape, ...

Landscape & Yard

  • 15 calculators for fence, fertilizer, mulch, seeds, trees, mowing and more.


  • 8 calculators for walls, joints, core filling,...


  • Area, Volume & Angle - 24 calculators for a variety of shapes.
  • Conversions - 26 different unit conversions
  • Glossary - Over 370 terms
  • 11 calculators for tanks, pulleys, weather, wrenches, ...

Roof Framing and Roofing

  • 22 calculators for rafters, ridges, gables, pitch, trusses, shingles and more

Wood & Materials

  • 20 calculators for lumber, nails, plywood, caulking, etc.

You may also purchase add-on packs within the app. There are currently two add-ons available:

Project Dates & Times

  • Over 35 calculators help you understand and manage project timing and deadlines.

Sensor Angle

  • A set of 10 calculators that use the angle sensing ability of your iPhone or iPad to easily and accurate measure an angle and calculate a variety of other angles and lengths.

More calculators coming soon in free updates!

If there's a calculator you'd like to see added, send us an email.


Additional Screenshots

Screenshot 2

Screenshot 3

Screenshot 4

Screenshot 5