BUILDERNUMBERS

Construction Calculators

Plan materials, quantities, dimensions, weight, and cost with clear formulas and editable assumptions.

Available calculators

06 tools
Masonry · Material estimate

Brick Calculator

Wall area, openings, brick size, waste, and optional cost. Imperial or metric.

Bulk material · Volume estimate

Sand Calculator

Length, width, depth, editable bulk density, extra material, and optional supplier cost.

Masonry · Mortar estimate

Mortar Calculator

Brick or block count, editable bag coverage, extra material, whole bags to buy, and optional cost.

Concrete · Bag estimate

Concrete Bag Calculator

Dimensions or known volume, editable bag yield, extra material, whole bags, and reference comparison.

Concrete · Volume estimate

Concrete Yard Calculator

Rectangular pours, identical sections or known volume, extra allowance, and optional cost per cubic yard.

Concrete · Weight estimate

Concrete Weight Calculator

Dimensions or known volume, editable density, and estimated pounds, short tons, kilograms, or metric tonnes.

Built for a useful first estimate.

BuilderNumbers shows the math behind every estimate. Check your dimensions, assumptions, and final order with your supplier before purchasing.