APY / Effective Rate Calculator
Converts a nominal annual rate into the effective annual yield (APY) for a given compounding frequency — or back — and tabulates the APY across common compounding schedules so offers can be compared fairly.
Read the full guide to this tool
Results
Notes
- APY = (1 + r/m)^m − 1. Two accounts with the same nominal rate can pay different interest purely through compounding frequency.
- This is an educational estimate, not financial advice; talk to a qualified adviser before making money decisions.
Related tools
Compound Interest Calculator
Growth of a lump sum plus monthly contributions.
Savings Goal Calculator
Monthly saving needed to hit a target by a date.
Deposit / CD Calculator
Maturity value of a fixed-term deposit.
Savings Withdrawal Calculator
How long a balance lasts under monthly withdrawals.
Simple Interest Calculator
Interest without compounding, vs the compound result.
Time Value of Money Solver
Solve any of PV, FV, payment, rate or term.