100% Free Construction Calculators

Plan, measure, and build with confidence using our completely free construction calculators.
Our tools provide instant, accurate estimates to save you time, money, and materials.

Concrete Calculators

Our comprehensive concrete calculators help contractors, builders, and DIY enthusiasts plan with precision. These calculators can be helpful wheather you’re pouring a slab, column, curb, steps, or any other structure. Our concrete calculators provide instant concrete volume estimates for various structures—saving you money, time and guesswork.

Square Slab Concrete Calculator

Easily estimate the exact amount of concrete needed for square or rectangular slabs, footings, patios, driveways, and other flat structures.

Concrete Steps Calculator

Steps concrete calculator simplifies estimating materials for staircases, entry steps, and other tiered structures—just input your dimensions for quick results.

Square Column Calculator

Square column concrete calculator is perfect for accurately estimating concrete needed for square columns, pillars, and other vertical supports.

Round Slab Concrete Calculator

Round slab concrete calculator is designed for precise calculations of round slabs, circular foundations, and similar curved structures.

Curb and Gutter Barrier

Steps concrete calculator simplifies estimating materials for staircases, entry steps, and other tiered structures—just input your dimensions for quick results.

Round Column Calculator

Square column concrete calculator is perfect for accurately estimating concrete needed for square columns, pillars, and other vertical supports.

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