Concrete Volume Calculator

Concrete Volume Calculator helps you turn concrete project measurements into practical planning estimates before you buy bags or call a supplier. Use it for rectangular slabs, circular slabs, walls, and footings in imperial or metric units. Enter dimensions, waste, and quantity to see concrete volume, cubic yards, cubic meters, and a waste-adjusted order quantity. Plan DIY bagged concrete with 40, 50, 60, and 80 lb bag counts. Add your local price per bag and sales tax for a planning subtotal and estimated total. For larger jobs, use the ready-mix estimate to compare order quantity, supplier minimums, increments, fees, and tax. You can add multiple sections, save local projects, reopen estimates, and preview or share a PDF report. The app works offline and does not require an account. Features: - Rectangular slab, circular slab, wall, and footing calculators - Imperial and metric units - Waste-adjusted order quantity - Premixed bag counts for 40, 50, 60, and 80 lb bags - Editable bag price and sales tax estimate - Ready-mix planning estimate - Multiple pour sections - Saved local projects - PDF preview, share, and export - Offline use with no account Privacy: No account, ads, or analytics. Projects are stored locally on your device. PDF sharing and export happen only when you choose to share or save a report. Planning disclaimer: Concrete estimates are planning aids only. Confirm mix, reinforcement, subgrade, supplier minimums, product yield, pricing, delivery, and code or permit requirements with a qualified supplier or contractor.