The formula for compound interest is P (1 + r/n)^(nt), where P is the initial principal balance, r is the interest rate, n is the number of times interest is compounded per time period and t is the number of time periods.

What is the formula for calculating compound interest?

The mathematical formula for calculating compound interest, A=P(1+r/n)^nt, uses four simple numbers to allow you to see how much money plus interest you'll have after the number of time periods, or compound periods. 'A' represents the accrued amount of your principal plus interest, which is the total.

What is interest compounded annually?

interest compounded annually. noun [ U ] FINANCE. a method of calculating and adding interest to an investment or loan once a year, rather than for another period: If you borrow $100,000 at 5% interest compounded annually, after the first year you would owe $5,250 on a principal of $105,000.