Free Construction Calculators
Two free calculators for quick field and bid checks: a concrete calculator for cubic yards on slabs, footings, walls and piers, and a roofing calculator for squares and shingle bundles from building size and pitch. Both run in your browser and show the math.
- Concrete calculator
Cubic yards for slabs, footings, foundation walls and round piers, with a waste factor and bag count.
- Roofing calculator
Roof area, squares and bundles from footprint, overhang and pitch, with waste for gable or hip roofs.
Calculators are for quick checks. For bid-ready quantities with drawing references, order a quantity takeoff.
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