APY Calculator

Convert an interest rate to APY and see what a savings deposit earns with compounding.

Quick answer: APY Calculator: Convert an interest rate to APY and see what a savings deposit earns with compounding. Everything runs in your browser, so nothing you enter is uploaded or stored.

How to use APY Calculator

  1. Enter your values in the fields.
  2. The results update instantly as you type.
  3. Note or copy the numbers you need.

Features

How it works

APY = (1 + r / n) ^ n - 1, where r is the stated rate and n is the number of compounding periods per year.

Worked example

10,000 at 4.5 percent compounded daily has an APY of about 4.60 percent and grows to roughly 11,445 after 3 years.

Frequently asked questions

What is APY?

Annual percentage yield is the real yearly return including compounding.

APR or APY for savings?

Compare savings accounts by APY because it includes compounding.

Is the APY Calculator free?

Yes. It is free, needs no signup and works on any device.

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