If you are looking to lease a car in the metro New York, Long Island, or New Jersey areas, take advantage of our lease calculator tool. Leasing a car can be more financially confusing than purchasing a car. The best way for you to accurately determine whether or not you can afford a specific lease is with the calculator. As long as you know the sales price and the initial lease contract costs, you can see how much your monthly lease payment will be. Input different down payment amounts to view the impact on your monthly payment.