Support
Contact Us
Found a bug? Have a suggestion for a new calculator? Want to report an incorrect result? We read every message and typically respond within 2–3 business days.
Before you write
- Check the FAQ — your question may already be answered.
- For bug reports, include the calculator name, your inputs, and the unexpected result.
- For new calculator requests, describe the formula and its engineering context.
Response time
We aim to respond within 2–3 business days. For urgent safety-critical issues, always consult a licensed electrical engineer.