MARZ.tools

APR Calculator

Calculate simple annualized percentage rate from periodic returns.

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About this tool

Enter a periodic return rate to calculate the simple Annual Percentage Rate (APR), without compounding, and compare it against APY.

How to use

  1. Enter the periodic rate and number of periods per year.
  2. View the calculated APR.
  3. Compare side by side with the equivalent compounded APY.

FAQ

Why do DeFi protocols quote both APR and APY?

APR shows the simple nominal rate; APY shows the compounded rate assuming rewards are reinvested, which is usually the more realistic yield if you auto-compound.

How is APR calculated?

APR = periodic rate × number of periods per year, with no compounding applied.

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