Interest Return
Quick front-end calculators for the value of money over time. Enter a few numbers, compare rates, and copy a shareable chart — nothing is uploaded.
Compares simple interest (no compounding) with yearly compounding on the same principal and rate.
APR is the stated annual rate. APY includes compounding and is shown in the results.
Model slower early returns, then higher rates later. Periods use calendar years from year 1.