Free Construction Converters for Your Website
If your site serves suppliers, contractors or DIYers, you can drop a working unit converter onto any page — free. Readers get a real answer without leaving your site.
Free Cubic Yards to Tons Converter Widget
Let readers convert a bulk-material quantity between cubic yards and tons, for gravel, sand, topsoil, mulch, asphalt millings or concrete.
Free Board Feet Calculator Widget
Let readers work out board feet from a board's size, or convert linear feet and board feet for standard lumber sizes.
Free Roofing Squares Converter Widget
Let readers convert flat/plan square footage to roofing squares, accounting for roof pitch — most tools skip the slope entirely.
Free Paint Coverage Calculator Widget
Let readers convert square footage to gallons of paint needed, or gallons on hand to the area they will cover.
Free Bags to Cubic Yards Converter Widget
Let readers convert between bag count and cubic yards for concrete mix, mulch, topsoil, sand and gravel.
Three steps to add one
- 1. Open a widget page above, or the embed builder.
- 2. Pick responsive or a fixed width, then copy the snippet.
- 3. Paste it into your page's HTML.
Common questions
Is there a cost to embed these?
No — they're free with no account, API key or usage cap. Besides the converter, the code adds just one small credit line linking back to it; please keep that in place.
Will one of these slow my site down?
No. Each converter runs in an iframe, so it can't block the rest of your page, and it adds no ad or analytics script of its own to your site.
Can I control the width and height?
You choose the width — responsive or a fixed pixel value. Height fits itself to the converter automatically.
Prefer to run a conversion yourself first?
The full converters, with formulas and worked examples: