Have a question about a calculator, spotted an error, or want to suggest a new tool? We'd love to hear from you.
You can reach us directly by email at: hello@interestcal.com
What We Help With
- Calculator feedback — if you think a result looks incorrect or a formula is outdated, please let us know with as much detail as possible.
- Feature requests — missing a calculator you need? We may be able to add it.
- Content corrections — if you spot a typo or factual error in a guide or definition, please flag it.
- Partnerships — for media, editorial, or business partnership enquiries.
Response Time
We aim to respond to all messages within 3–5 business days. For urgent matters, please include "URGENT" in your subject line.
Disclaimer
We are not financial advisors and cannot provide personalized financial advice. All questions related to your specific financial situation should be directed to a qualified financial professional.