Are the calculators free to use?

Yes. All calculators on UnElectrica are completely free with no sign-up, no paywall, and no account required.

Do I need to create an account?

No. Every tool is immediately accessible. We do not offer accounts and do not collect personal information.

How accurate are the results?

All formulas are based on established standards including NEC (NFPA 70), IEEE, and IEC publications. Results are accurate for standard engineering use but should be verified by a licensed professional for critical installations.

Is my data sent to a server when I calculate?

No. All calculations run entirely in your browser using JavaScript. No input data is transmitted to any server.

Can I use these results on a real project?

These calculators are intended as engineering reference and educational tools. Always verify critical sizing decisions with a licensed electrical engineer and consult the applicable local codes.

What standards do the calculators follow?

Primary references include NEC (NFPA 70) for conductor sizing and protection, IEEE for motor and transformer standards, and IEC 60364 for international reference. Each calculator page documents the specific formula and standard used.

How do I report a bug or incorrect result?

Please use the Contact page to report issues. Include the calculator name, your inputs, and the result you received.

Can I suggest a new calculator?

Absolutely. We welcome suggestions via the Contact page. Priority is given to widely-needed electrical engineering calculations not yet covered.

Is UnElectrica related to UnCalculator?

Yes. UnElectrica is a sister site of UnCalculator.com, a broader calculator platform covering finance, health, and math. Both share the same philosophy: free, accurate, client-side calculations.

Can I embed a calculator on my own website?

Embedding is not currently supported. If this is important to you, please mention it via the Contact page.