Mississippi calculates child support using guideline formulas that start with the gross incomes of both parents and factor in custody arrangements and the amount of time the child spends with each parent. The calculation considers regular deductions and known expenses, then adjusts for health insurance premiums and childcare costs as appropriate. Judges often begin with the guideline figure but may deviate when documented circumstances justify a different amount. Understanding the guideline and gathering accurate income records helps ensure the calculation reflects true earning capacity. When preparing for a support calculation, collect pay stubs, tax returns, and documentation of recurring expenses to present a clear financial picture. Courts also account for special needs and extraordinary expenses when deciding whether to adjust the guideline amount. Working with counsel familiar with Lamar County practice ensures filings include the right documentation, making it more likely the court will enter a fair and enforceable order that meets the child’s needs.