Concrete Calculator — Volume & Bags Needed

Free concrete calculator for slabs and cylinders. Calculate volume in cubic yards/meters and bags needed — 100% client-side. 100% serverless.

🔒 100% Private
⚡ Completely Free
🌐 Runs in Browser
📦 Export Ready
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Concrete Calculator — Volume & Bags Needed

Tool Workspace

Ready

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  1. Select Shape — Slab or cylinder.
  2. Enter Dimensions — Length, width, depth (or diameter, height).
  3. Calculate — See volume and bag counts.

Concrete Calculator

Calculate concrete volume for slabs and cylinders/columns, with bag count estimates.

Privacy

All calculations run in your browser.

Frequently Asked Questions

What shapes are supported?

Rectangular slabs and cylinders/columns.

What bag sizes?

40 lb, 60 lb, and 80 lb ready-mix bags.

Is my data safe?

Yes. 100% in your browser.

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