Concrete Calculator: Cost & Volume Estimator

Overview

Quick concrete calculator for slabs, footings, walls & sonotubes. Estimate cubic yards, bags needed, and cost.

Instantly estimate how much concrete you need — right from your toolbar. Choose your shape (slab, footing, wall, or sonotube), enter your dimensions, and get results in real time: • Volume in cubic yards, cubic feet, or cubic meters • Number of bags needed (40, 50, 60, or 80 lb) • Estimated cost for both bagged and ready-mix concrete • Built-in waste factor (none, 5%, 10%, or 15%) Supports both imperial and metric units. Your inputs are saved automatically so you can pick up right where you left off. Tap "Cost Breakdown" to open the cost tool on SlabCalc.co with your values pre-filled. Tap "Full Calculator" to open the complete tool on SlabCalc.co with your values pre-filled. Free. No account required. No ads.

Details

Version
1.0.0
Updated
March 6, 2026
Flag concern
Offered by
support
Size
96.36KiB
Languages
English (United States)
Developer
Email
support@slabcalc.co
Non-trader
This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

Manage extensions and learn how they're being used in your organization

The developer has disclosed that it will not collect or use your data. To learn more, see the developer’s privacy policy.

This developer declares that your data is

Not being sold to third parties, outside of the approved use cases
Not being used or transferred for purposes that are unrelated to the item's core functionality
Not being used or transferred to determine creditworthiness or for lending purposes

Support

For help with questions, suggestions, or problems, visit the developer's support site