APR to APY converter

Client

See effective annual yield from stated APR.

How to use

Enter aprPercent|periodsPerYear (e.g. 12 for monthly).

About APR to APY converter

Convert nominal APR to APY with compounding periods—browser. The interactive transform on this page runs in your browser tab—Toolcore does not need your paste for the core operation described above.

How to use this page

Paste or type in the main workspace, run the primary action from the toolbar, then copy or download the result. Use Load example when the page offers it, or URL prefill (?q= / ?qb=) so agents and tickets open the same input.

APR: 5.0000%
APY (12 compounds/yr): 5.1162%

Nearby workflows on Toolcore

  • Compound interest calculator — Principal, APR, and compounding—future value, interest earned, and APY for savings-style growth. when units or numeric output should be checked on a related calculator.
  • CAGR calculator — Compound annual growth rate from start, end, and years—browser. when units or numeric output should be checked on a related calculator.
  • Rule of 72 — Estimate years to double an investment from an annual rate using the rule of 72—browser-only. when units or numeric output should be checked on a related calculator.
  • Loan payment calculator — Monthly payment from principal, annual rate, and term in years—amortization helper. when units or numeric output should be checked on a related calculator.

Common use cases

  • Compare savings APY vs loan APR.
  • Credit card effective rate.

Common mistakes to avoid

  • Fees

    Excludes fees; rate math only.

FAQ

Daily compound?

Use periodsPerYear=365.

More tools

Related utilities you can open in another tab—mostly client-side.