Free widgets · Attribution included
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Paste one iframe into a project guide, contractor resource, supplier blog, or homeowner article. BuildMath Lab hosts the math and keeps the required source link visible.
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Concrete Calculator
Responsive, no signup, and calculated in the visitor’s browser.
View the full calculator →<iframe src="https://buildmathlab.com/embed/concrete" title="Concrete Calculator" width="100%" height="720" loading="lazy" style="border:0;max-width:780px" referrerpolicy="strict-origin-when-cross-origin"></iframe>Ready to embed
Paint Calculator
Responsive, no signup, and calculated in the visitor’s browser.
View the full calculator →<iframe src="https://buildmathlab.com/embed/paint" title="Paint Calculator" width="100%" height="760" loading="lazy" style="border:0;max-width:780px" referrerpolicy="strict-origin-when-cross-origin"></iframe>Ready to embed
Drywall Calculator
Responsive, no signup, and calculated in the visitor’s browser.
View the full calculator →<iframe src="https://buildmathlab.com/embed/drywall" title="Drywall Calculator" width="100%" height="760" loading="lazy" style="border:0;max-width:780px" referrerpolicy="strict-origin-when-cross-origin"></iframe>Free use is permitted while the visible BuildMath Lab attribution remains intact. Results are planning estimates and may not be presented as engineering, code approval, or a supplier quote.