Child support calculators can help individuals determine how much money they will roughly end up paying each month for child support. The rules and laws are different for each state, so most child support calculators take that into account. They also consider how much money the non-custodial parent makes, whether or not they are paying child support that is court-ordered to any other custodial parents and more. These calculators may not be exact, but they are a pretty good estimate, because the same factors are taken into consideration with child support calculators as the ones taken into consideration by the judges. This is a good way for non-custodial parents to prepare for child support payments and make any financial changes they need to make in order to ensure that they are able to pay the monthly child support payments to the custodial parent. Non-custodial parents who do not pay child support that is court-ordered could end up facing jail time, having their driver's licenses suspended or having their wages garnished.