Construction Master 5 feet-inch-fraction calculator - Calculated Industries 4056

$79.99 CAD

Item # : 4056

Availability : out of stock
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*(On orders over $100 before taxes, Canada only, total order must weight less than 50 pounds)

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This construction calculator from Calculated Indutries (4056) is ideal for contractors, builders, architects, engineers, tradespersons, advanced do-it-yourselfers.


  • Complete rafter, roof and framing solutions: Custom Rafter function gives you common Rafters, regular and irregular hips, valleys and jacks. Jack rafter feature provides compelete solution for regular and irregular pitch roofs. Displays on-center spacing.
  • Linear, area and volume solutions: Works in and converts between all building dimensional formats: Metric, feet-inch-fractions and yards, including area and volumes.
  • Stair solutions are nearly automatic: Complete stair calculations for risers, treads, stringer lenght and incline angle. Displays run and rise. 
  • Built-in right-angle calculations
  • Circular solutions for arcs, columns, pillars, windows, post-holes and more.
  • Rake-wall function determinesstud lenght for any on-center spacing in descending order. 
  • Board feet lumber estimating.
  • Backspace key: Makes it easy to change just-entered values
  • Cost per unit: easily solve unit costing and pricing.
  • "Parperless" tape: Allows for review of last 20 entries; double-check totals.
  • Automatic shut-off saves battery life.



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