Our Mission
We exist to take the guesswork out of construction projects. Every calculator on CalcWright uses an industry-standard formula, checked against how contractors actually work in the field. No signup, no paywall, no email required. You show up, run the numbers, and get back to the job.
Most calculator sites bury the tool under popups or ask you to register before you can do basic math. We went the other way. The tools load fast, work on a phone, and show how the answer was reached.
What We Offer
- 79+ calculators across 13 construction categories.
- Material estimators for roofing, concrete, masonry, flooring, framing, and more.
- Cost calculators built on current US pricing.
- Mobile-friendly tools made for jobsite use.
- Reference tables and a plain-English FAQ on every page.
How We Verify Our Formulas
We don't invent formulas. They come from industry-standard references like Building Construction Illustrated by Francis D.K. Ching, manufacturer specifications such as NAPA standards for asphalt density, and verified contractor practice. When a formula has more than one accepted variant, we use the most conservative one so your estimate errs on the safe side.
Who Runs CalcWright
CalcWright is run by the CalcWright Team, an independent group focused on keeping construction math free and easy to reach. We don't sell user data, we don't require accounts, and we make money only through display advertising (once approved) and affiliate links, which we disclose in our Disclaimer.
Why CalcWright Is Free
Running costs get covered by display advertising once Google AdSense approves the site. Until then, CalcWright is free as a labor of love. Either way, the tools stay free for you.
What We Are NOT
CalcWright gives you estimates, not engineering specifications. For load-bearing calculations, permits, or any safety-critical work, always consult a licensed engineer or contractor. Our Disclaimer spells out the full terms.
Contact Us
Found a bug, want a calculator built, or just have feedback? Visit our Contact page or email contact@calcwright.com.