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CD Calculator

Find a CD's value at maturity, its APY and after-tax interest.

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CD Calculator

What a certificate of deposit earns by maturity

$
% APR
years
months
%

Value at maturity

$10,939.90

Interest earned
$939.90
APY
4.594%
Term
2 years

Assumes interest stays in the CD until maturity. Withdrawing early usually costs a penalty of several months of interest.

Value at maturity
Deposit91%
  • Deposit$10,000
  • Interest after tax$939.90
YearInterestBalance
1$459.40$10,459.40
2$480.50$10,939.90

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How the cd calculator works

A CD pays a fixed rate for a fixed term. Interest compounds at the frequency the bank uses, so the balance at maturity is deposit × (1 + r/n)^(n × years). The APY is the yearly growth that includes compounding, which lets you compare CDs fairly.

CD interest is taxed as ordinary income in the year it's credited, even if you leave it in the CD. Enter your tax rate to see what you keep.

Using and checking your result

Published by JustYourCalculator. Check the units and assumptions above, and compare a known example before relying on the output. Calculations use browser arithmetic and may round displayed values.

This is an educational estimate, not a lender quote, tax filing calculation or investment recommendation. Actual costs depend on current rules, fees and your circumstances. Verify important decisions with official sources and a qualified adviser.

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