OneFreePlace
FREE ONLINE TOOL

Free Concrete
Calculator

Free advanced concrete calculator for multi-pour projects: slabs, footings, columns, tubes, tapered pours, solid stairs and custom volumes, with additions/voids, waste, ready-mix order rounding, truck loads, bag yields, costs, density, sensitivity, CSV export and local persistence.

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About Free Concrete Calculator

Combine slabs, footings, columns, tubes, tapered pours, solid stair masses and custom volumes in one project. Add or subtract components, keep net volume separate from waste, round ready-mix orders, compare bag yields, estimate truck loads, weight and entered costs.

Workspace options

  • Measurement system
  • Project name · optional
  • Overage · %
  • Order increment
  • Truck capacity
  • Ready-mix price / volume · optional

Available actions

  • + Add component
  • Remove last
  • 10%
  • 15%
  • 20%
  • Copy concrete report