Formula for calculating amortized interest Here’s how to calculate the interest on an amortized loan: Divide your interest rate by the number of payments you’ll make that year.

Doing the math and crunching the numbers when it comes to figuring out your loan's interest can be complicated. Here's how to calculate interest on a loan.

Thinking about taking out a home equity line of credit? CNBC Select shows you how to figure out what your monthly payment ...