BuildCalc

All-in-One Build Calculators

$0.99 · Designed for iPad. Not verified for macOS.

Plan smarter with BuildCalc. Get fast material estimates for stairs, decks, fences and siding, customize design limits, and build with greater confidence. Fast construction math for builders and DIYers. BuildCalc turns your measurements into layouts and material lists in seconds. No account, no ads, and nothing you enter ever leaves your phone. STAIR CALCULATOR Lay out stairs with confidence. Enter your total rise and run, and BuildCalc works out risers, treads and stringer layout. Easy-to-read illustrations show exactly what to cut, making stair building a breeze. [Add stringer length, throat depth or other outputs.] FENCE Plan any fence run quickly. [Add confirmed features, e.g. post spacing, rails, pickets or boards, gates.] DECK From framing to finish. Work out your deck materials, including baluster gap layout so your railing spacing comes out even. SIDING Measure walls, gables and all. The siding calculator handles gable walls as well as standard walls [and openings for windows and doors], so your estimate matches the real job. UNIT CONVERTER Switch between metric and imperial in a tap, with rounding to the nearest 1/16 or 1/32 inch for measurements you can read straight off a tape. MATERIAL ORDER LISTS Every calculator builds a material order for you. A 10% waste buffer is added by default, and you can change it to suit the job. Copy the full list with one tap and send it to your supplier for faster quotes. YOUR CODE, YOUR LIMITS BuildCalc doesn’t assume one country’s building code. Every check uses limits you set, so the app works wherever you build. Always confirm requirements with your local authority. METRIC AND IMPERIAL Work in the units you think in. Use feet and inches or metric throughout the app. BUILT FOR THE JOB SITE Light and dark themes Pinch to zoom on diagrams Undo and reset Works on iPhone and iPad Less time on math, more time building.

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The developer, ARXA Technologies, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Diagnostics

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Accessibility

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Information

Seller
ARXA Technologies Inc
Size
47.7 MB
Category
Productivity
Compatibility
Requires iOS 16.4 or later.
  • iPhone
    Requires iOS 16.4 or later.
  • iPad
    Requires iPadOS 16.4 or later.
  • Mac
    Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
Languages
English
Age Rating
4+
Copyright
© 2026 BuildCalc Arxa Technologies
  • Privacy Policy

    • Supports

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.

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