Email us
The best way to reach us is by email. We read every message and aim to reply within 2–3 business days.
What to write about
- Corrections: If a calculation or explanation looks wrong, tell us the inputs you used and what you expected — we take accuracy seriously.
- Feature requests: Want an extra option (inflation adjustment, different currencies, a downloadable schedule)? Let us know.
- General feedback: Anything that would make the tool clearer or more useful.
Please note: We can answer questions about how the calculator works, but we cannot provide personalized financial, investment, or tax advice. For guidance on your specific situation, please consult a licensed professional.
Response time
We're a small operation, so replies may take a few days — especially on weekends and holidays. Thanks in advance for your patience. For privacy questions specifically, see our Privacy Policy.