CRX id
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Description from extension meta
Easily calculate concrete volume, bags and cost for slab, steps, walls, columns, curb & gutter.
Image from store
Description from store
Concrete Calculator is a compact, easy-to-use Chrome extension for builders, contractors, DIYers and homeowners who need fast, accurate concrete estimates for their construction project without leaving the browser.
👉KEY FEATURES
🏗️ Multiple Shape Support
✔️Rectangular Slabs - Perfect for patios, driveways, and foundations
✔️Round Slabs - Ideal for circular pads and garden features
✔️Walls - For retaining walls and structural walls
✔️Footers - Foundation footers and footing calculations
✔️Square Columns - Structural columns and pillars
✔️Round Columns - Circular columns and posts
✔️Steps - Staircase and step calculations
✔️Curb & Gutter - Roadside curbs and drainage gutters
📏 Smart Unit Conversion
*Centimeters (cm) - Metric precision
*Inches (in) - Imperial measurements
*Feet (ft) - Standard construction units
*Meters (m) - International metric standard
💰 Cost Estimation
*Optional cost per cubic yard input
*Instant total cost calculation
*Waste factor inclusion (default 10%)
🎯 User-Friendly Interface
*Clean, compact design
*Visual shape indicators
*Real-time calculations
*One-click clear function
🔒 Privacy & Security
*All calculations happen locally in your browser
*No internet connection required
*No data sent to external servers
*No personal information collected
💡 Why Need This?
*Prevent Costly Mistakes - Eliminate over-ordering or under-ordering concrete
*Save Money - Buy exactly what you need, no more, no less
*Reduce Waste - Environmentally conscious construction planning
*Save Time - Instant calculations replace manual math
*Professional Results - Achieve accuracy comparable to experienced contractors
👉 WHO NEEDS THIS?
*Contractors and subcontractors who need quick checks.
*Homeowners and DIYers planning small projects (patios, steps, footers).
*Estimators who want a fast reference tool.
*Students learning basic construction math.
❓ FAQs
Q: Can I save my calculations?
A: No, the calculations are session-based.
Q: Does this work offline?
A: Yes! The extension works completely offline once installed.
Q: Can I use metric and imperial units together?
A: Yes, the extension automatically handles all unit conversions.
Q: How accurate are the calculations?
A: Calculations use standard concrete industry formulas with precision to 2 decimal places.
Q: Does this extension send my data to the cloud?
A: No. All calculations are performed locally in the popup. No inputs or results are uploaded.
Fast, reliable concrete estimates in your browser — from slabs to steps in seconds.
🥳 Download now and transform your concrete calculations!