A child support calculator will allow you to determine what your approximate child support payments will be. Depending upon the state, you will be asked to include different types of information about the income of the non-custodial parent (if you are the custodial parent). The amount is different depending upon how many children are involved, as well as whether or not child support is paid to other children from a previous marriage or relationship. A child support calculator is found for every state on the internet and even thought it can calculate an amount based upon the figures that you have entered, the amount is only considered to be approximate and not an exact figure. Please take this into consideration that the amount can be different when you do go to court. Also, depending upon the state, you may need the income of both parents involved. Depending upon which state in which you reside, the calculator can require information pertaining to the cost of health insurance coverage and even child care costs. A child support calculator can be beneficial in that you will have an approximate idea of how much you might receive.