Using a loan calculator is one of the easiest ways to estimate loan payments and total loan costs before borrowing. The loan ...

However, the average interest rate for a three-year personal loan is 13.72% APR and 19.21% APR for a five-year loan, according to Credible data from the week ending July 13, 2025.

Use this mortgage calculator to help estimate how much house you can afford. You can account for mortgage length, interest rate and down payment to see how your monthly loan payment can change.

A CD calculator uses your term length and interest rate to tell you your total account balance at maturity. 10'000 Hours/Getty Images© 10'000 Hours/Getty Images ...

Changing the loan amount in the calculator back to $200,000, and trying out a few interest rates, shows that an interest rate of 4.11% would produce that same $968 monthly payment.

To calculate the interest rate on this lease, we just set up our spreadsheet with the $19,000 loan amount as a positive number, each of the four annual payments (as negatives), and then calculate ...