Free embeddable calculators

Add any calculator to your website with one iframe. Free to use; please keep the visible credit link. Calculations run in the visitor's browser.

Concrete Slab Calculator (Cubic Yards & Bags)

<iframe src="https://provenplaza.com/embed/concrete-slab-calculator.html" width="100%" height="520" style="border:0" loading="lazy" title="Concrete Slab Calculator (Cubic Yards & Bags)"></iframe>
<p style="font-size:12px">Calculator by <a href="https://provenplaza.com/concrete-slab-calculator/">Proven Plaza</a></p>

Concrete Column & Sonotube Calculator

<iframe src="https://provenplaza.com/embed/concrete-column-calculator.html" width="100%" height="520" style="border:0" loading="lazy" title="Concrete Column & Sonotube Calculator"></iframe>
<p style="font-size:12px">Calculator by <a href="https://provenplaza.com/concrete-column-calculator/">Proven Plaza</a></p>

Concrete Footing Calculator (Continuous Wall Footings)

<iframe src="https://provenplaza.com/embed/concrete-footing-calculator.html" width="100%" height="520" style="border:0" loading="lazy" title="Concrete Footing Calculator (Continuous Wall Footings)"></iframe>
<p style="font-size:12px">Calculator by <a href="https://provenplaza.com/concrete-footing-calculator/">Proven Plaza</a></p>

Paint Calculator (Gallons for Walls)

<iframe src="https://provenplaza.com/embed/paint-calculator.html" width="100%" height="520" style="border:0" loading="lazy" title="Paint Calculator (Gallons for Walls)"></iframe>
<p style="font-size:12px">Calculator by <a href="https://provenplaza.com/paint-calculator/">Proven Plaza</a></p>

Roofing Calculator (Squares, Bundles & Pitch Factor)

<iframe src="https://provenplaza.com/embed/roofing-calculator.html" width="100%" height="520" style="border:0" loading="lazy" title="Roofing Calculator (Squares, Bundles & Pitch Factor)"></iframe>
<p style="font-size:12px">Calculator by <a href="https://provenplaza.com/roofing-calculator/">Proven Plaza</a></p>

Drywall Calculator (Sheets Needed)

<iframe src="https://provenplaza.com/embed/drywall-calculator.html" width="100%" height="520" style="border:0" loading="lazy" title="Drywall Calculator (Sheets Needed)"></iframe>
<p style="font-size:12px">Calculator by <a href="https://provenplaza.com/drywall-calculator/">Proven Plaza</a></p>

Flooring & Tile Calculator (Square Feet & Boxes)

<iframe src="https://provenplaza.com/embed/flooring-tile-calculator.html" width="100%" height="520" style="border:0" loading="lazy" title="Flooring & Tile Calculator (Square Feet & Boxes)"></iframe>
<p style="font-size:12px">Calculator by <a href="https://provenplaza.com/flooring-tile-calculator/">Proven Plaza</a></p>

Mulch, Gravel & Topsoil Calculator (Cubic Yards)

<iframe src="https://provenplaza.com/embed/mulch-gravel-calculator.html" width="100%" height="520" style="border:0" loading="lazy" title="Mulch, Gravel & Topsoil Calculator (Cubic Yards)"></iframe>
<p style="font-size:12px">Calculator by <a href="https://provenplaza.com/mulch-gravel-calculator/">Proven Plaza</a></p>

Wire Size & Voltage Drop Calculator (AWG, Copper/Aluminum)

<iframe src="https://provenplaza.com/embed/voltage-drop-calculator.html" width="100%" height="520" style="border:0" loading="lazy" title="Wire Size & Voltage Drop Calculator (AWG, Copper/Aluminum)"></iframe>
<p style="font-size:12px">Calculator by <a href="https://provenplaza.com/voltage-drop-calculator/">Proven Plaza</a></p>

Room AC BTU Calculator (ENERGY STAR Sizing)

<iframe src="https://provenplaza.com/embed/ac-btu-calculator.html" width="100%" height="520" style="border:0" loading="lazy" title="Room AC BTU Calculator (ENERGY STAR Sizing)"></iframe>
<p style="font-size:12px">Calculator by <a href="https://provenplaza.com/ac-btu-calculator/">Proven Plaza</a></p>

Deck Board Calculator

<iframe src="https://provenplaza.com/embed/deck-board-calculator.html" width="100%" height="520" style="border:0" loading="lazy" title="Deck Board Calculator"></iframe>
<p style="font-size:12px">Calculator by <a href="https://provenplaza.com/deck-board-calculator/">Proven Plaza</a></p>

Fence Calculator (Posts, Rails & Pickets)

<iframe src="https://provenplaza.com/embed/fence-calculator.html" width="100%" height="520" style="border:0" loading="lazy" title="Fence Calculator (Posts, Rails & Pickets)"></iframe>
<p style="font-size:12px">Calculator by <a href="https://provenplaza.com/fence-calculator/">Proven Plaza</a></p>

Insulation R-Value Thickness Calculator

<iframe src="https://provenplaza.com/embed/insulation-r-value-calculator.html" width="100%" height="520" style="border:0" loading="lazy" title="Insulation R-Value Thickness Calculator"></iframe>
<p style="font-size:12px">Calculator by <a href="https://provenplaza.com/insulation-r-value-calculator/">Proven Plaza</a></p>

Pool Volume Calculator: Rectangular (Gallons)

<iframe src="https://provenplaza.com/embed/pool-volume-calculator.html" width="100%" height="520" style="border:0" loading="lazy" title="Pool Volume Calculator: Rectangular (Gallons)"></iframe>
<p style="font-size:12px">Calculator by <a href="https://provenplaza.com/pool-volume-calculator/">Proven Plaza</a></p>

Pool Volume Calculator: Round / Above-Ground (Gallons)

<iframe src="https://provenplaza.com/embed/round-pool-volume-calculator.html" width="100%" height="520" style="border:0" loading="lazy" title="Pool Volume Calculator: Round / Above-Ground (Gallons)"></iframe>
<p style="font-size:12px">Calculator by <a href="https://provenplaza.com/round-pool-volume-calculator/">Proven Plaza</a></p>

Pool Volume Calculator: Oval (Gallons)

<iframe src="https://provenplaza.com/embed/oval-pool-volume-calculator.html" width="100%" height="520" style="border:0" loading="lazy" title="Pool Volume Calculator: Oval (Gallons)"></iframe>
<p style="font-size:12px">Calculator by <a href="https://provenplaza.com/oval-pool-volume-calculator/">Proven Plaza</a></p>

Solar Panel Calculator (How Many Panels Do I Need?)

<iframe src="https://provenplaza.com/embed/solar-panel-calculator.html" width="100%" height="520" style="border:0" loading="lazy" title="Solar Panel Calculator (How Many Panels Do I Need?)"></iframe>
<p style="font-size:12px">Calculator by <a href="https://provenplaza.com/solar-panel-calculator/">Proven Plaza</a></p>

Board Foot Calculator (Lumber)

<iframe src="https://provenplaza.com/embed/board-foot-calculator.html" width="100%" height="520" style="border:0" loading="lazy" title="Board Foot Calculator (Lumber)"></iframe>
<p style="font-size:12px">Calculator by <a href="https://provenplaza.com/board-foot-calculator/">Proven Plaza</a></p>

Asphalt Calculator (Tons for Driveways)

<iframe src="https://provenplaza.com/embed/asphalt-calculator.html" width="100%" height="520" style="border:0" loading="lazy" title="Asphalt Calculator (Tons for Driveways)"></iframe>
<p style="font-size:12px">Calculator by <a href="https://provenplaza.com/asphalt-calculator/">Proven Plaza</a></p>