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Roofing, Framing, Stair, Decking & Concrete Calculators 

For roof & framing master carpenters, contractors and builders.

  • Accurate, reliable and easy to use on site.

  • No complex steps to remember.

  • No need to remember in which order to enter data!

  • Developed by carpenters in Australia. 

  • Used around the world in over 30 countries (currently in English only).

  • US/Imperial or Metric Measurements.

  • Reduce mistakes, save time and money.

  • Requires IOS15 or later -  for iPhones & iPads

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