Concrete Volume Calculator

Calculate concrete volume in cubic metres, cubic yards, and 40 kg bag count for a slab, footing, or column. Runs locally in your browser.

Shape

choose shape

Length

m or ft

Width / Diameter

m or ft

Depth / Thickness

m or ft

Waste %

extra % for waste

Bag yield

m³ per 40kg bag

Enter dimensions to calculate concrete volume.

All calculations run locally in your browser — nothing leaves your device.