Support & Inquiries

Contact Construction Maths

Drop Us a Line

Found a bug in the concrete calculator? Have an idea for a new roofing tool? Or just need general support? Let us know below.

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Our Mission

Engineered for Accuracy

Construction Maths provides reliable, accessible tools for contractors, engineers, and DIY builders. Here is what you can expect from our platform:

Precision Calculators

From concrete yardage to stair stringer layouts, our tools are meticulously coded to ensure accurate, real-world results you can trust on the job site.

Industry Standards

Formulas and logic are based on universally accepted engineering and construction standards, taking the guesswork out of complex spatial and material math.

100% Free to Use

We believe essential planning tools should be accessible. All calculators and conversion guides on this site are completely free, with no paywalls.

Knowledge Base

Frequently Asked Questions

Yes. Whether you are calculating concrete slabs, framing spans, or roofing materials, every tool provided on Construction Maths is completely free for personal and commercial use.

Our calculators use standard industry math to output exact theoretical figures. However, we always recommend adding a 5-10% waste/overage margin to any material order, as real-world site conditions vary.

Absolutely. We are always looking to expand our toolset. Use the contact form above, select "Request a New Calculator," and provide the formulas or requirements you'd like to see implemented.

Currently, we do not have a native iOS or Android app. However, the Construction Maths website is heavily optimized as a progressive web app (PWA), meaning it works flawlessly in any mobile browser on the job site.

Need a Custom Calculator?

We build bespoke, highly optimized calculation engines for unique materials, custom engineering projects, and construction software platforms.