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Certificate of Deposit Calculator — result sheet
Estimate CD maturity value and interest from principal, APY, term, and compounding frequency.
Inputs used
Results
Visual chart
Breakdown
Calculation steps
Returned data table
Formula and methodology
Formula: Convert APY to an equivalent periodic rate, then maturity = principal x (1+periodic rate)^periods.
APY is used as entered, so the selected compounding frequency changes the equivalent periodic rate without double-counting the annual yield.
This result follows the calculator's declared inputs, precision, validation boundaries, and model limits.
Input contract
- Starting principal — minimum 0; maximum 1000000000000
- APY — %; minimum -99.999; maximum 1000
- Term — years; minimum 0.00274; maximum 100
- Compounding frequency — 4 choices
Worked example
| Input | Value |
|---|---|
| Starting principal | 10000 |
| APY | 4.5 |
| Term | 2 |
| Compounding frequency | 12 |
The calculator reports maturity value and interest under the entered APY.
Assumptions and limits
- No deposits, withdrawals, taxes, or early-withdrawal penalties are included.
- The APY stays constant for the full term.
Calculator note
Source and methodology
Use the official WorldCalculate methodology policy for the source, formula, precision, and boundary standards behind this calculator.
Planning estimate, not financial, medical, legal, or professional advice. © WorldCalculate — reuse with attribution. Built and curated by Hassan ALRowaie.
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