Contact
Questions, corrections, or feedback — we read every message.
For questions about CalcLume calculators, methodology, reported errors, or general feedback, reach us by email:
We aim to respond within a reasonable timeframe. If you are reporting a calculation error, please include the calculator name, your inputs, the result you received, and the result you expected.
CalcLume does not offer phone support or live chat at this time. There is no contact form — email is the only supported contact method on the current site.