Calculateur de APY en APR

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Questions Fréquentes

Questions courantes sur Calculateur de APY en APR

Utilisez la formule : APY = (1 + APR/n)^n - 1, où n est le nombre de périodes de composition par an. Par exemple, un APR de 5% composé mensuellement équivant à un APY de 5.116%. Notre calculatrice fait cela automatiquement pour toute fréquence de composition.

Sources & References

Truth in Savings Act Requirements

Federal law requires banks to disclose APY on deposit accounts to allow consumers to compare returns accurately. APY accounts for compounding frequency, making it the truest measure of earnings.

APY Formula and Compounding

APY = (1 + APR/n)^n - 1, where n = compounding periods per year. Daily compounding (n=365) yields more than monthly (n=12) or annual (n=1) at the same APR.

Marketing Can Be Misleading

Financial institutions often advertise whichever rate looks better: APY for savings products (higher number) and APR for loans (lower number). Always convert to the same metric before comparing offers.