CD Calculator
Estimate certificate of deposit maturity value and interest from deposit amount, annual percentage yield, and term length.
FAQ for this calculator
- APY vs APR?
- Enter APY here—it already reflects compounding frequency in the advertised rate.
- Early withdrawal?
- Not modeled—this assumes the CD runs full term.
- Monthly compounding instead?
- This tool uses daily compounding; results may differ slightly from monthly-quote CDs.
- Tax on interest?
- Interest shown is pre-tax; consult a tax advisor for your situation.
How to use the CD maturity calculator
Daily compounding grows principal at APY/365 per day over the full term.
- Enter deposit amount.
- Enter APY as advertised by the bank.
- Set term length in months.
When to use this calculator
- Comparing 6-month vs 12-month CD offers.
- Ladder planning across multiple maturities.
- Estimating interest before opening an account.
Examples & walkthrough
- $10,000 at 4.5% APY for 12 months → maturity about $10,459 with ~$459 interest.
- Higher APY or longer term increases maturity value.