See the maturity value and interest earned on a certificate of deposit at a given APY.
How this calculator arrives at its answer
A certificate of deposit pays a fixed rate for a set term. Enter your deposit, the APY and the term, and this calculator shows what it grows to and how much interest you earn.
Because APY already reflects compounding, the math is straightforward.
Getting your answer
- Enter your deposit amount.
- Enter the APY and the term in years.
- Read the maturity value and interest.
The calculation
maturity = deposit × (1 + APY)^years
The default scenario, worked through
The calculator opens with a deposit of 10,000. On those figures the maturity value is $10,920.25. Underneath, Interest earned comes out at $920.25 and APY at 4.5%. Change any field and every figure updates as you type.
Questions people ask about this
What is APY?
Annual percentage yield — the real yearly return including compounding, which makes comparing CDs easy.
Can I withdraw early?
Usually only with a penalty. CDs reward leaving the money untouched for the full term.
Are CDs a good investment?
They’re low-risk and predictable but often yield less than riskier options. It depends on your goals — this isn’t advice.