CD Calculator
See exactly how much a certificate of deposit will earn. Enter your deposit, APY or rate, term and marginal tax rate to get the end balance, total interest and a year-by-year accumulation schedule including the effect of taxes on interest income.
TheCalculators — CD Calculator
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End Balance at Maturity
$11,576.25
$10,000 at 5.00% for 3.0 years
- Initial Deposit
- $10,000.00
- Total Interest
- $1,576.25
- APY (effective)
- 5.000%
- Interest Share of Balance
- 13.6%
- Term
- 3.0 years
Balance composition at maturity
- Initial Deposit$10,000
- Interest (after tax)$1,576
Accumulation schedule
Early withdrawal usually costs several months of interest. FDIC insurance covers $250,000 per depositor, per bank — a CD ladder (staggered maturities) adds flexibility in rising-rate environments.
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Formula
A = P × (1 + r/n)^(n·t) (tax shrinks each interest credit by the marginal rate)
Pro tips
- • Compare APY, not the nominal rate — it already includes the compounding effect.
- • Longer terms pay more but lock your money; a CD ladder balances yield and access.
- • If the CD rate is below your mortgage rate, paying down debt can beat a CD risk-free.
FAQ
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