Family law
How Much Is Child Support If I Have No Custody?
Quick answer
There is no single national child support number. If you have no custody, your payment comes from your state's guideline formula, and the same income can produce very different amounts from one state to the next.
Researched by Dan Martin, Legal Researcher · Published by Onbello Legal · Last updated June 2026
Why everyone's payment is different
Every state sets child support with its own guideline formula, and the formulas are built differently. Most states use an income shares model, which combines both parents' incomes, estimates what the child would cost in an intact household, and splits that cost between the parents in proportion to what each earns. A smaller group of states uses a percentage of income model, which takes a set share of the paying parent's income based on the number of children.
That is why comparing payments with other parents online is rarely useful. Two parents with identical paychecks can owe very different amounts depending on the state, the other parent's income, the number of children, and the details below.
What actually drives the amount
The core inputs in almost every state are both parents' gross incomes, the number of children, and how much time each parent spends with the children. Courts can also count overtime, bonuses, self-employment income, and in some cases income a judge believes a parent could be earning but is not (often called imputed income).
On top of the base number, most states add or divide certain expenses, such as the cost of the child's health insurance, work-related childcare, and sometimes uninsured medical costs. Support you already pay for children from another relationship can reduce the income counted in the formula.
How having no custody affects the number
In states that factor parenting time into the formula, the payment generally goes up as the paying parent's overnights go down. A parent with zero or very few overnights usually lands at the high end of what the formula produces for their income level, because the other parent is treated as covering nearly all of the day-to-day costs.
Keep in mind that custody and support are legally separate. A parent who pays support but has no custody order still has the right to ask the court for parenting time, and being behind on support is not a legal basis for the other parent to withhold the children.
How to estimate your own payment
The most reliable way to estimate your number is your state's official guideline calculator, which most state court or child support agency websites publish for free. Plug in real figures from recent pay stubs and tax returns, since the order will be based on documented income.
If your income drops after an order is in place, do not just pay less. In most states the amount only changes when a court modifies the order, and unpaid amounts usually cannot be erased later. File a request to modify as soon as the change happens, because modifications typically only reach back to the date you filed.
Tools and resources
Where to check this
Forms, deadlines, and local rules change. Verify anything on this page against the official self-help resources for your state before you rely on it.
This page is general legal information, not legal advice, and does not create an attorney–client relationship. Laws and local rules vary and change. For advice about your situation, consult a licensed family-law attorney in your state.