NerdWallet's auto refinance calculator compares your current loan with a new one and determines whether you could lower your monthly payment or save on interest.

A car payoff calculator shows you how early you could pay your auto loan off with extra monthly payments and how much interest you could save over time.

We refinanced our house a few years ago and just learned that people refinance cars too! How should we go about that?

With this retirement calculator, you can test out different scenarios. For example, you can use it to estimate how much you’ll need to save if you pay off your mortgage, downsize to a cheaper ...