APY Calculator

A 5% rate is not always 5%. How often it compounds changes what you actually earn. Enter the nominal rate and the compounding frequency to get the APY — the honest annual yield — and see it applied to a balance.

Tool Features

• APY from any nominal rate and frequency
• Annual, semi-annual, quarterly, monthly, daily
• Interest earned on your actual balance
• Side-by-side comparison of frequencies
• No registration or software installation

Common Usage

• Compare two savings accounts fairly
• See if daily compounding is worth it
• Check a bank's advertised APY
• Understand what a CD really pays