Let your visitors calculate concrete quantities directly on your site. Free, no account required.

Dave Rany

SlabCalc adds a free, embeddable concrete calculator to any WordPress page or post using a simple shortcode. Visitors can estimate how much concrete they need for slabs, driveways, and patios — in cubic yards, cubic feet, or cubic meters — without leaving your site.
What it does: 
* Calculates concrete volume and bag counts instantly 
* Supports slabs, driveways, and patio projects 
* Works in imperial (feet/inches) and metric (meters/cm) 
* Includes material cost estimates 
* Mobile-responsive, no setup required
Usage:
Add the shortcode to any page or post:
<pre><code>[slabcalc]
</code></pre>
Or specify a calculator type:
<pre><code>[slabcalc type="driveway"]
[slabcalc type="patio" width="400px"]
[slabcalc type="slab" theme="dark"]
</code></pre>
Shortcode attributes:
<ul>
<li><code>type</code> — Calculator type: <code>slab</code>, <code>driveway</code>, <code>patio</code>, or <code>tube</code> (default set in Settings)</li>
<li><code>width</code> — Widget width, any CSS value (default: <code>100%</code>)</li>
<li><code>theme</code> — Color theme: <code>light</code> or <code>dark</code> (default: <code>light</code>)</li>
</ul>

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