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Banking Calculators

Savings Interest Calculator

Interest earned on a savings account balance from its APY — monthly, yearly and over your chosen period.

Enter values

Results update as you type.

Result

Interest earned

$450.00

Ending balance
$10,450.00
First month interest (approx.)
$36.75

About the Savings Interest Calculator

Interest earned on a savings account balance from its APY — monthly, yearly and over your chosen period.

Also known as: savings account interest, high yield savings, hysa calculator, interest earned.

How to use this calculator

  1. Enter balance, apy, period.
  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.

Formula

Balance = P(1 + APY)^(months/12)

Worked example

Using the values pre-filled in the calculator above:

  • Balance = 10,000
  • APY = 4.5 %
  • Period = 12 months

the calculator returns:

  • Interest earned: 450
  • Ending balance: 10,450
  • First month interest (approx.): 36.75