About / Contact
Who we are, how the calculator works, and how to reach us.
Mission
Provide a clean, accurate, and mobile-first CD interest calculator with transparent methodology and strong privacy by default.
Methodology (Summary)
- Compounding formula: M = P × (1 + r/m)^(m×t) - APR → APY conversion by selected compounding frequency - Currency rounded to nearest cent; yields to two decimals - Fractional periods for non-integer terms - Schedule derived period-by-period; may differ slightly from bank statements
Contact
Questions, feedback, or corrections? Email our team: