Simple and free loan calculator that is easy to use. Scales perfectly for phones and tablets. Big buttons for easy data input. Calculates loan amount, interest rate, length of loan in months, payment and interest paid. Given any three of the basic inputs (amount, interest rate, months and payment) it will calculate the fourth and also interest paid. As a bonus, the calculator displays the amount of interest you paid over the life of the loan. Hint, the faster you pay off your loan the