使用方法
- Enter the present value (PV) — the amount you have today。
- Enter the annual interest rate as a percentage。
- Enter the number of years the money will grow。
- Read the future value (FV) and total interest earned calculated instantly using compound interest。
範例
- PV 1,000, rate 7%, 10 years produces a future value of 1,967.15 and total interest of 967.15。
- PV 5,000, rate 5%, 20 years gives a future value of 13,266.49 — more than doubling the principal。