Description
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:
[slabcalc]
Or specify a calculator type:
[slabcalc type="driveway"]
[slabcalc type="patio" width="400px"]
[slabcalc type="slab" theme="dark"]
Shortcode attributes:
type— Calculator type:slab,driveway,patio, ortube(default set in Settings)width— Widget width, any CSS value (default:100%)theme— Color theme:lightordark(default:light)
Captures d’écrans
Concrete slab calculator embedded on a post 
Driveway calculator with cost estimate shown 
SlabCalc settings page in WP Admin
Installation
- Upload the
slabcalc-calculatorfolder to/wp-content/plugins/ - Activate the plugin through the Plugins menu in WordPress
- Add
[slabcalc]to any page or post
To set a default calculator type, go to Settings > SlabCalc.
FAQ
-
What shortcode attributes are available?
-
type (slab, driveway, patio, tube),
width(any CSS value), andtheme(light, dark). -
Do I need an account to use this plugin?
-
No. The widget is completely free and requires no account or API key.
-
Will this slow down my site?
-
The widget script loads asynchronously and only on pages where the shortcode is used. It has no impact on pages without the shortcode.
-
Can I use multiple calculators on the same page?
-
Yes. Place
[slabcalc type="driveway"]and[slabcalc type="patio"]on the same page and both will render. The embed script is loaded only once regardless of how many shortcodes are on the page. -
Does it work with page builders?
-
Yes, any page builder that supports WordPress shortcodes (Elementor, Divi, Beaver Builder, Gutenberg shortcode block) will work.
Avis
Il n’y a aucun avis pour cette extension.
Contributeurs/contributrices & développeurs/développeuses
« SlabCalc – Concrete Calculator Widget » est un logiciel libre. Les personnes suivantes ont contribué à cette extension.
Contributeurs
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Journal des modifications
1.0.0
- Initial release
- Shortcode
[slabcalc]with type, width, and theme attributes - WP Admin settings page for default calculator type
- Supports slab, driveway, and patio calculators