Contact BuildMateCalc
The fastest way to reach us is by email at support@buildmatecalc.site. We read every message and reply to most within two to three business days, often faster.
What to contact us about
- Calculator requests. Tell us what calculator you wish existed — or what existing calculator frustrates you. Reader suggestions directly shape our roadmap, and several calculators on this site started as a single email.
- Corrections. Spotted a wrong formula, an outdated fact, or a confusing explanation? Please tell us exactly which page and what’s wrong. Corrections are prioritized and fixed quickly.
- Bug reports. If a calculator misbehaves, include your browser and device, what you entered, and what happened versus what you expected. Screenshots help.
- Business inquiries. Advertising, partnerships, or licensing questions are welcome — please include who you are and what you’re proposing so we can respond properly.
Please don’t send sensitive personal documents. Our calculators are designed so you never need to email us private information — if a calculator can answer your question, use the calculator.
Response times
We aim to respond within two to three business days. Bug reports and corrections get priority and are often answered within 24 hours. Calculator requests are collected and reviewed in batches, so those may take a little longer — but every suggestion is read and considered.
Quick answers
Is there a premium version or account I should sign up for?
No. There are no accounts, no sign-ups, and no premium tier. Every calculator is free and complete as-is. If you see a site asking you to log in to use “BuildMateCalc,” it isn’t us.
Do you store what I type into the calculators?
No. Calculator inputs are processed entirely in your browser and never sent to our servers. We literally cannot see what you entered. See our privacy policy for the full details.
Can I suggest a calculator in another language or unit system?
Absolutely — tell us which calculator and which language or units. We prioritize based on demand, so requests help us decide what to add first.