North Carolina Child Support - Version 1.0 How much child support do you owe? How much will you receive? North Carolina Child Support Calculator determines the required child support pursuant to the NC Child Support Guidelines. It's accurate in all cases involving a family income of less than $300,000 per year. The calculator incorporates health insurance costs, child care costs and obligations for pre-existing children and extraordinary needs. The guideline child support amount is the standard provided by the North Carolina Courts and is adhered to in nearly all child support cases. Using the calculator as part of the negotiation process usually results in achieving a negotiated settlement of child support and avoids the need for protracted litigation. The calculator runs on Adobe Air and is current as of 2009.The intent of this calculator is for informational and educational purposes only. The Child Support Calculator provides an approximate calculation of a child support obligation based upon your current financial situation. It is not a guarantee of the actual amount that will be calculated by the court in accordance with NC Statutes and Administrative Rules. The Court Commissioner or Family Law Judge has the final authority to determine the amount of a child support order. This calculator provides only an estimate and is not a guarantee of the amount of child support that will be ordered. Other factors may affect the amount of child support awarded.