Compound interest is the concept of adding accumulated interest back to the principal sum, so that interest is earned on top of interest from that moment on. The act of declaring interest to be principal is called compounding. Financials institutions vary in terms of their compounding rate requency - daily, monthly, yearly, etc.
Compound Interest Formula
Compound interest - meaning that the interest you earn each year is added to your principal, so that the balance doesn't merely grow, it grows at an increasing rate - is one of the most useful concepts in finance. It is the basis of everything from a personal savings plan to the long term growth of the stock market. It also accounts for the effects of inflation, and the importance of paying down your debt.
What is the formula for compound interest?
Compound Interest Formula:
V = P(1+r/n)(nt)
The generic formula used in this compound interest calculator is V = P(1+r/n)(nt)
V = the future value of the investment
P = the principal investment amount
r = the annual interest rate
n = the number of times that interest is compounded per year
t = the number of years the money is invested for
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