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CD Interest Calculator

Our online tools will provide quick answers to your calculation and conversion needs. On this page, you can calculate the interest earned on a Certificate of Deposit (CD).

% p.a.

Result window

Android: Use this CD interest calculator offline with our all-in-one calculator app.


CD Interest Earnings calculation is based on the compound interest formula for periodic compounding, derived from the following function:

A(t) = Amount function
A(0) = Principal amount (Initial Investment)
t = Total time in years
n = Number of compounding periods per year
r = Nominal annual interest rate
⌊nt⌋ means that nt is rounded down to the nearest integer.

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