Concrete Calculator: Bags

Know exactly how much you need before you pour. No wasted bags, no extra trips. The smart way to start any project.

Know exactly how many bags of concrete to buy - for slabs, footings, columns, and stairs.

Takes your project dimensions and gives cubic yards (or meters), bags needed, and includes a 10% waste factor.

KEY FEATURES:

• 4 Shape Types - Slab, footing, column, and stairs
• Bag Calculator - 40, 60, or 80 lb (or 20, 25, 40 kg metric)
• Built-in Waste Factor - Automatic 10% waste
• Imperial & Metric - Feet/inches and meters/centimeters
• Cubic Yards & Meters - Volume in your preferred unit

Free to download. No sign-up. No paywall. Works offline.

By Blas Apps - simple calculators that do one thing perfectly.