Contact Us

We would love to hear from you. Whether you have a question about a calculation, spotted an error, or want a tool we don't have yet, OhmNexus is built around feedback from the engineers, electricians, and learners who use it.

Email us

Pick the address that fits your message. We read every one and aim to reply within a few working days.

• General questions, error reports, and tool requests: contact@ohmnexus.com
• Help using a calculator or a technical problem: support@ohmnexus.com
• Partnerships, advertising, and press: business@ohmnexus.com

What to get in touch about

• Report an error. If a result or formula looks wrong, tell us which calculator and what you expected. We take accuracy seriously and fix confirmed issues quickly.
• Request a calculator. Need a tool we haven't built yet? Describe the calculation and we will add it to our roadmap.
• Suggest an improvement. Ideas for clearer explanations, extra inputs, or new guides are always welcome.
• General questions. Anything else about OhmNexus or how a tool works.

Quick feedback

For a quick note, you can also use the feedback box at the bottom of any page. It reaches our general contact inbox.