Contact Us & Support
Have questions about our financial algorithms, feedback on an amortization schedule, or a feature request for a new calculator? Reach out to our team directly.
Send Us a Direct Message
Fill out the form below and our team will get back to you promptly.
🌐 Global Digital Headquarters
Interest Calculator operates globally as a cloud-native, decentralized financial technology and mathematics research platform.
Client-Side Privacy Notice
Please note that we never request or store sensitive bank account numbers, social security digits, or login credentials. Never submit private account details via the contact form.
Frequently Asked Questions
How quickly does your team respond to inquiries?
Our research and support team monitors messages continuously from Monday through Friday. We strive to respond to all inquiries, bug reports, and formula clarifications within 24 to 48 business hours.
Can you provide personalized financial advice or review my personal loan contract?
No. In accordance with financial regulations and our editorial policy, Interest Calculator provides mathematical computational tools for educational and illustrative purposes only. We cannot evaluate personal credit files, advise on personal debt restructuring, or provide certified legal or financial counsel.
How do I report a mathematical bug or calculation discrepancy?
Please select 'Bug Report / Calculation Discrepancy' in the contact form, and include the exact input numbers (principal amount, interest rate, tenure, and compounding frequency) along with the expected output and the observed output. Our quantitative finance team will review the issue promptly.
Can I request a new financial calculator?
Yes! We continuously expand our calculator suite based on community demand. Whether you need a specialized retirement annuity, CD laddering tool, or tax-advantaged investment simulator, feel free to submit your suggestion.