Everyday Tools
Concrete Calculator
- Browser-based
- No signup
Browser-based
Enter slab length, width, and depth to estimate volume in cubic feet and cubic yards, plus 60 lb and 80 lb bag counts for small pours. Runs in your browser.
Results are based on the inputs you provide and may not cover every edge case. This tool is for general use and is not professional advice.
How to use this tool
1. Enter slab length and width in feet. 2. Enter depth in inches. 3. Click Calculate. 4. Review cubic yards for ready-mix quotes and bag counts for small pours. 5. Add 5–10% extra for uneven subgrade.
Worked example
Example: a 10×10 ft slab 4 inches deep is about 1.23 cubic yards—roughly 34 eighty-pound bags.
How it works
Calculates slab volume in cubic feet and cubic yards from length, width, and depth, then estimates 60 lb and 80 lb bag counts using standard yield assumptions. Runs in your browser.
Limitations
Results are based on the inputs you provide and may not cover every edge case. This tool is for general use and is not professional advice.
Privacy and file handling
Your data is processed in your browser and is not uploaded to our server.
Frequently asked questions
Is the Concrete Calculator free to use?
Yes. Utilnivo tools are free to use and do not require an account.
Are my inputs stored?
Utilnivo does not require an account. See the privacy note on this page for how your data is processed for this tool.
How do I get started with Concrete Calculator?
Open the tool on this page, enter your inputs, and use the on-screen controls. No account is required.
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