Have a question, found a mistake in a calculator, or want to suggest a new tool? We would like to hear from you.
What you can contact us about
- Report an error: a wrong result, outdated spec or broken link. Include the page URL and, if possible, the source you are comparing against.
- Suggest a tool or guide: tell us what you would like to calculate or read about.
- General questions: about how our calculators work (see also our Calculator Methodology).
- Business and partnerships: advertising, collaborations and press.
How to reach us fastest
Email is the quickest way to reach us: contact@techcalcu.com. For error reports, include the page link, what you saw and, if possible, the source you are comparing against.
Before you write
- We read every message, but we may not be able to answer each one individually.
- We cannot give personal build or purchase advice. Our calculators give estimates, so please confirm requirements with the component manufacturer.
- We will never ask for passwords or payment details by email.
Your message is used only to reply to you. See our Privacy Policy for how we handle personal data.
Last updated: October 2026