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Daily-Balance Savings Interest Calculator

Interest from average daily balance and APY.

Compute the interest credited on a savings or checking account from the average daily balance, the APY, and the number of days in the statement cycle, using daily compounding.

Nadia Almasri By Nadia Almasri
Published Last reviewed 1 min read

Inputs

$
%
day

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

Interest = avg_balance · ((1 + APY/100)^(days/365) − 1).

In depth

Compute the interest credited on a savings or checking account from the average daily balance, the APY, and the number of days in the statement cycle, using daily compounding.