Saving Account APY Calculator

The stated rate before compounding is taken into account.
The advertised yield. Used when solving for the nominal rate or for a balance.
The deposit the yield is applied to.
Regulation DD mode only: the interest actually paid over the period below.
Regulation DD mode only. 365 for a full year.
Annual percentage yield
4.602496 %
APY Calculator
Nominal annual rate
4.500000 %
Rate per compounding period
0.01232877 %
Balance at the end
10,460.25
Interest earned
460.25
Compounding periods a year
365
Worked out from 12 CFR Part 1030 (Regulation DD), Appendix A - Annual Percentage Yield Calculation and 1 other source.

How this is worked out

2 steps
  1. Rate per period = 4.5% / 365 = 0.01232877%
  2. APY = (1 + 0.0001232877)^365 - 1 = 4.602496%

Results are general information, not financial, tax, legal, medical or engineering advice.