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Banking Calculators

Bank Interest Calculator

Interest on a bank balance with simple or compound interest over days, months or years.

Also known as interest on deposit, bank deposit interest, daily interest calculator.

Enter values

Results update as you type.

Result

Interest

$624.06

Total
$25,624.06
Per day (average)
$3.47

About the Bank Interest Calculator

Interest on a bank balance with simple or compound interest over days, months or years.

Also known as: interest on deposit, bank deposit interest, daily interest calculator.

How to use this calculator

  1. Enter amount, annual rate, days, interest type.
  2. The result updates instantly as you type — press Calculate (or Enter) at any time.
  3. Review the breakdown shown under the main result.
  4. Use Copy result or Share to save the answer or send a link with your inputs.

Bank Interest formula

Simple: P·r·d/365 · Compound: P((1 + r/365)ᵈ − 1)

Worked example

Using the values pre-filled in the calculator above:

  • Amount = 25,000
  • Annual rate = 5 %
  • Days = 180
  • Interest type: Compound daily

the calculator returns:

  • Interest: 624.06
  • Total: 25,624.06
  • Per day (average): 3.47