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How Child Support is Calculated in Connecticut

October 31, 2025
An image of Connecticut Child Support Guidelines

If you are going through a divorce or custody case in Connecticut, one of the first questions you may have is how much child support you will pay or receive. Child support in Connecticut is calculated using a formula set out in Connecticut’s Child Support Guidelines, which consider both parents’ net income, the number of children, and the parenting time schedule.

Watch: How Child Support Is Calculated in Connecticut

Since the calculation is more complex than simply looking at a paycheck, this video walks you through the core steps. You may also find it helpful to download and review:

These documents will help you follow the calculation more closely.

Determining Each Parent’s Net Income

It is important not to rely on the federal and state tax withholdings printed on a paycheck or pay stub, as these figures are often too high or too low. Instead, support is based on the average weekly deductions over an entire year.

Many parents find it helpful to work with an accountant or financial professional to accurately determine these numbers.

When Child Support May Be Adjusted (Deviations)

Although the guidelines provide a presumptive support amount, the court may adjust this number when certain circumstances apply. Common situations where a deviation may be considered include:

Substantial Assets

If a parent has significant assets but low earned income, the court may raise support to reflect their actual financial capacity.

Earning Capacity

If a parent voluntarily reduces their income — for example, by quitting or reducing work to lower child support — the court may base support on what they are capable of earning.

Recurring Financial Support from Others

If a parent receives ongoing financial gifts or support from a new spouse or partner that funds their lifestyle, support may be increased to reflect those resources.

Significant Visitation Travel Costs

If one parent must spend a substantial amount on travel to maintain visitation, the court may lower their support obligation to account for those expenses.

Shared Physical Custody

In cases where parents share time equally — especially when their incomes are similar — the court may lower the support amount. In some equal-time, similar-income cases, support may even be reduced to zero.

Why Every Case Is Different

Even when two cases seem alike, child support outcomes can differ. Small changes in income, parenting schedules, or recurring financial contributions can meaningfully affect the final number.

Our firm regularly helps parents:

  • Calculate accurate child support amounts
  • Analyze whether deviation factors apply
  • Present clear financial information to the court
  • Ensure that outcomes are fair and legally supported

Get Support Tailored to Your Situation

Understanding Connecticut’s child support guidelines — and when adjustments may be appropriate — can be challenging. Your financial circumstances and parenting arrangements matter, and getting the numbers right is important for both you and your child.

If you have questions about how the guidelines apply to your situation, contact us to schedule a consultation.

Connecticut Family Lawyer | CT Family Law | Dolan Family Attorneys N/a