It is very important to be careful when calculating the price of your cash loan not to have any trouble with the loan repayment. If you are bad in calculations, there is nothing to worry about as there are special loan calculators online intended to do this for you: the only thing you need to do is to enter the amount of money you want to borrow and choose the period of time during which you are going to use money and the online cash loan calculator will show the result taking into account the interest rate. As for the annual percentage rate, it may vary from lender to lender.