Contact
Questions, corrections, or suggestions for a new calculator? Reach out at contact@thecalcnerd.com — every message is read personally.
What to include for a correction
If you think a calculator's result looks wrong, the fastest way to get it fixed is to include the exact inputs you used and the result you expected, along with why. Every formula on this site is verified by hand before publishing, but a second pair of eyes on a real-world edge case is always useful.
Suggesting a new calculator
TheCalcNerd is actively adding new tools. If there's a personal-finance calculation you wish existed here, let us know what it is and what inputs/outputs would be most useful.
Response time
This is a small, independently run project, so please allow a few business days for a reply.