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Free calculators for your website

Pool builders, landscapers, contractors and supply stores: give your customers a calculator that answers "how much do I need?" right on your own website. Every calculator below can go on your site at no cost. Copy the code, paste it into any page (WordPress, Wix, Squarespace, Breakdance, plain HTML), and it works. Updates and fixes reach your copy automatically.

How it works

Pick a calculator and click Copy embed code.
In your website editor, add an HTML or Custom code block and paste.
Publish. That's it, with no account or fee.

Please keep the small credit line under the calculator. It's how other people find these tools. Want it branded with your logo and colors instead? Contact us.

Cubic Yard Calculator

Turn length, width and depth into cubic yards — the unit landscape suppliers sell soil, mulch, gravel and fill by. Try it

<iframe src="https://tapemeasuremath.com/embed/landscaping/cubic-yard-calculator/" title="Cubic Yard Calculator" width="100%" height="460" style="border:1px solid #ddd;border-radius:10px;max-width:760px" loading="lazy"></iframe>
<p style="font-size:12px;margin:4px 0 0">Cubic Yard Calculator by <a href="https://tapemeasuremath.com/landscaping/cubic-yard-calculator/" rel="nofollow">Tape Measure Math</a></p>

Mulch Calculator

How many cubic yards or bags of mulch a bed needs at the depth you want. Try it

<iframe src="https://tapemeasuremath.com/embed/landscaping/mulch-calculator/" title="Mulch Calculator" width="100%" height="460" style="border:1px solid #ddd;border-radius:10px;max-width:760px" loading="lazy"></iframe>
<p style="font-size:12px;margin:4px 0 0">Mulch Calculator by <a href="https://tapemeasuremath.com/landscaping/mulch-calculator/" rel="nofollow">Tape Measure Math</a></p>

Gravel Calculator

Cubic yards and tons of gravel or crushed stone for a driveway, path or base layer. Try it

<iframe src="https://tapemeasuremath.com/embed/landscaping/gravel-calculator/" title="Gravel Calculator" width="100%" height="460" style="border:1px solid #ddd;border-radius:10px;max-width:760px" loading="lazy"></iframe>
<p style="font-size:12px;margin:4px 0 0">Gravel Calculator by <a href="https://tapemeasuremath.com/landscaping/gravel-calculator/" rel="nofollow">Tape Measure Math</a></p>

Paver Calculator

Pavers, base gravel and bedding sand for a patio or walkway. Try it

<iframe src="https://tapemeasuremath.com/embed/landscaping/paver-calculator/" title="Paver Calculator" width="100%" height="460" style="border:1px solid #ddd;border-radius:10px;max-width:760px" loading="lazy"></iframe>
<p style="font-size:12px;margin:4px 0 0">Paver Calculator by <a href="https://tapemeasuremath.com/landscaping/paver-calculator/" rel="nofollow">Tape Measure Math</a></p>

Sod Calculator

Rolls or pallets of sod for a lawn area, with an allowance for cutting around edges. Try it

<iframe src="https://tapemeasuremath.com/embed/landscaping/sod-calculator/" title="Sod Calculator" width="100%" height="460" style="border:1px solid #ddd;border-radius:10px;max-width:760px" loading="lazy"></iframe>
<p style="font-size:12px;margin:4px 0 0">Sod Calculator by <a href="https://tapemeasuremath.com/landscaping/sod-calculator/" rel="nofollow">Tape Measure Math</a></p>

Board Foot Calculator

Board feet for hardwood and rough lumber, the unit it is priced by. Try it

<iframe src="https://tapemeasuremath.com/embed/building/board-foot-calculator/" title="Board Foot Calculator" width="100%" height="460" style="border:1px solid #ddd;border-radius:10px;max-width:760px" loading="lazy"></iframe>
<p style="font-size:12px;margin:4px 0 0">Board Foot Calculator by <a href="https://tapemeasuremath.com/building/board-foot-calculator/" rel="nofollow">Tape Measure Math</a></p>

Stair Calculator

Number of steps, riser height, tread run and stringer length from the total rise. Try it

<iframe src="https://tapemeasuremath.com/embed/building/stair-calculator/" title="Stair Calculator" width="100%" height="460" style="border:1px solid #ddd;border-radius:10px;max-width:760px" loading="lazy"></iframe>
<p style="font-size:12px;margin:4px 0 0">Stair Calculator by <a href="https://tapemeasuremath.com/building/stair-calculator/" rel="nofollow">Tape Measure Math</a></p>

Roof Pitch Calculator

Roof pitch, angle and slope multiplier from rise and run. Try it

<iframe src="https://tapemeasuremath.com/embed/building/roof-pitch-calculator/" title="Roof Pitch Calculator" width="100%" height="460" style="border:1px solid #ddd;border-radius:10px;max-width:760px" loading="lazy"></iframe>
<p style="font-size:12px;margin:4px 0 0">Roof Pitch Calculator by <a href="https://tapemeasuremath.com/building/roof-pitch-calculator/" rel="nofollow">Tape Measure Math</a></p>

Roofing Calculator

Roof area, squares and shingle bundles from the house footprint and pitch. Try it

<iframe src="https://tapemeasuremath.com/embed/building/roofing-calculator/" title="Roofing Calculator" width="100%" height="460" style="border:1px solid #ddd;border-radius:10px;max-width:760px" loading="lazy"></iframe>
<p style="font-size:12px;margin:4px 0 0">Roofing Calculator by <a href="https://tapemeasuremath.com/building/roofing-calculator/" rel="nofollow">Tape Measure Math</a></p>

Rafter Length Calculator

Common rafter length from building span, pitch and overhang. Try it

<iframe src="https://tapemeasuremath.com/embed/building/rafter-length-calculator/" title="Rafter Length Calculator" width="100%" height="460" style="border:1px solid #ddd;border-radius:10px;max-width:760px" loading="lazy"></iframe>
<p style="font-size:12px;margin:4px 0 0">Rafter Length Calculator by <a href="https://tapemeasuremath.com/building/rafter-length-calculator/" rel="nofollow">Tape Measure Math</a></p>

Deck Board Calculator

Number of deck boards and joists for a rectangular deck. Try it

<iframe src="https://tapemeasuremath.com/embed/building/deck-board-calculator/" title="Deck Board Calculator" width="100%" height="460" style="border:1px solid #ddd;border-radius:10px;max-width:760px" loading="lazy"></iframe>
<p style="font-size:12px;margin:4px 0 0">Deck Board Calculator by <a href="https://tapemeasuremath.com/building/deck-board-calculator/" rel="nofollow">Tape Measure Math</a></p>

Tile Calculator

How many tiles and boxes for a floor or wall, including grout joints and waste. Try it

<iframe src="https://tapemeasuremath.com/embed/building/tile-calculator/" title="Tile Calculator" width="100%" height="460" style="border:1px solid #ddd;border-radius:10px;max-width:760px" loading="lazy"></iframe>
<p style="font-size:12px;margin:4px 0 0">Tile Calculator by <a href="https://tapemeasuremath.com/building/tile-calculator/" rel="nofollow">Tape Measure Math</a></p>

Retaining Wall Block Calculator

Blocks, caps and drainage gravel for a straight retaining wall. Try it

<iframe src="https://tapemeasuremath.com/embed/landscaping/retaining-wall-block-calculator/" title="Retaining Wall Block Calculator" width="100%" height="460" style="border:1px solid #ddd;border-radius:10px;max-width:760px" loading="lazy"></iframe>
<p style="font-size:12px;margin:4px 0 0">Retaining Wall Block Calculator by <a href="https://tapemeasuremath.com/landscaping/retaining-wall-block-calculator/" rel="nofollow">Tape Measure Math</a></p>

Pool Volume Calculator

Gallons of water in a rectangular, round, oval or kidney pool — the number every chemical dose depends on. Try it

<iframe src="https://tapemeasuremath.com/embed/pool/pool-volume-calculator/" title="Pool Volume Calculator" width="100%" height="460" style="border:1px solid #ddd;border-radius:10px;max-width:760px" loading="lazy"></iframe>
<p style="font-size:12px;margin:4px 0 0">Pool Volume Calculator by <a href="https://tapemeasuremath.com/pool/pool-volume-calculator/" rel="nofollow">Tape Measure Math</a></p>

Pool Chlorine Calculator

How much liquid chlorine, bleach or cal-hypo raises free chlorine to your target. Try it

<iframe src="https://tapemeasuremath.com/embed/pool/pool-chlorine-calculator/" title="Pool Chlorine Calculator" width="100%" height="460" style="border:1px solid #ddd;border-radius:10px;max-width:760px" loading="lazy"></iframe>
<p style="font-size:12px;margin:4px 0 0">Pool Chlorine Calculator by <a href="https://tapemeasuremath.com/pool/pool-chlorine-calculator/" rel="nofollow">Tape Measure Math</a></p>

Pool Salt Calculator

Pounds and bags of salt to reach your salt chlorine generator's target level. Try it

<iframe src="https://tapemeasuremath.com/embed/pool/pool-salt-calculator/" title="Pool Salt Calculator" width="100%" height="460" style="border:1px solid #ddd;border-radius:10px;max-width:760px" loading="lazy"></iframe>
<p style="font-size:12px;margin:4px 0 0">Pool Salt Calculator by <a href="https://tapemeasuremath.com/pool/pool-salt-calculator/" rel="nofollow">Tape Measure Math</a></p>

Pool Alkalinity Calculator

Pounds of baking soda (sodium bicarbonate) to raise total alkalinity. Try it

<iframe src="https://tapemeasuremath.com/embed/pool/pool-alkalinity-calculator/" title="Pool Alkalinity Calculator" width="100%" height="460" style="border:1px solid #ddd;border-radius:10px;max-width:760px" loading="lazy"></iframe>
<p style="font-size:12px;margin:4px 0 0">Pool Alkalinity Calculator by <a href="https://tapemeasuremath.com/pool/pool-alkalinity-calculator/" rel="nofollow">Tape Measure Math</a></p>