Free WordPress Plugin: Easily calculate your monthly loan payments and view a detailed amortization schedule. See exactly how much goes to principal and interest with interactive charts. www.calculator.io/amortization-calculator/

I wanted to find a loan calculator but all of the ones on the internet seemed to be lacking. So I created one with the features I was looking for that was simple to comprehend. No attempt to be fancy here just wanted to prototype something quickly, so it's plain old static html and javascript. These days less is more.