Daniel Jassy, CFA, is an Investopedia Academy instructor and the founder of SPYderCRusher Research. He contributes to Excel and Algorithmic Trading. Suzanne is a content marketer, writer, and ...

Loans have an interest rate, monthly payment amount and number of payments specified in the loan documents. Interest-only loans don't apply any of the payment to the principal. At the end of the loan, ...

Understand the total interest by multiplying the annual charge by the number of years in your note. Calculate yearly interest by multiplying the principal amount by the interest rate. Know your full ...

Calculating the interest earned in your checking or savings accounts during a bank statement period can help you prepare an accurate budget. You don't necessarily need to use a special checking ...

Calculating Simple Interest is an excellent method to judge your savings in advance. However, calculating it for various interests and principal sums could be complex. This is where Excel comes to ...

What Is a Payback Period? The payback period is the amount of time (usually measured in years) it takes to recover an initial investment outlay—as measured in after-tax cash flows. For example, if a ...