Section
Area0.0 sq ft
Volume0.0 sq ft-in
Concrete0.00 m³
Concrete Calculator
Quick concrete volume and material cost estimates.
Project & pricing
Pad sections
For a circle, enter the radius in the first measurement box. For a triangle, enter length and width.
Subtract openings or cut-outs
Use this for a smaller square, opening, or other area inside a pad that should not receive concrete.
Net concrete needed after subtractions
0.00 m³
Net area0.0 sq ft
Square-foot amount$0.00
Square-foot amount + tax$0.00
Concrete material cost$0.00
Uses the workbook conversion of 1 m³ = 423 square-foot-inches. Confirm final quantities and local pricing with your supplier.
On a phone, open the downloaded HTML with Safari, Chrome, or another web browser. A Files preview may not run calculations correctly.
Gravel & Fill Calculator
Calculate loose material by cubic yard.
For gravel, dirt, sand, topsoil, and other fill only — not for concrete. Allow extra material for compaction and grading.
Fill sections
Material needed
0.00 yd³
Area0.0 sq ft
Volume0.0 cu ft
Order suggestion (+10%)0.00 yd³
On a phone, open the downloaded HTML with Safari, Chrome, or another web browser. A Files preview may not run calculations correctly.
Formula: length × width × depth (inches) ÷ 324 = cubic yards.