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Crunching the Numbers: How Child Support Is Calculated in Indiana
If you’re a parent in Indiana, one of the first questions after a separation or divorce is: “How much will I actually have to pay — or receive — in child support?” The answer might surprise you. It’s not a random number pulled out of thin air, but a formula built to make sure your child’s needs are covered fairly. Think of it as a roadmap — and knowing how to read it can save you stress, money, and headaches.
Indiana uses an “income shares” model, which basically means child support is calculated to reflect what the child would have received if both parents were living together. To make this easy, the state offers an official online child support calculator, which you can access here → https://www.in.gov/courts/services/child-support-calculator/. Parents, attorneys, and practitioners like us use it to estimate support, and it’s the same tool the courts rely on when making official determinations.
So how does it work? First, the calculator looks at each parent’s income. And “income” doesn’t just mean a paycheck. It can include wages, overtime, bonuses, commissions, trust income, rental income, capital gains — basically any money you regularly receive. If you have a side hustle, that counts too. The court wants to know your true ability to support your child.
Next up: overnights or parenting time. How many nights the child spends with each parent affects the number. More time with the non-custodial parent usually lowers their obligation, which makes sense — they’re already covering daily costs during those nights.
Then the calculator factors in work-related childcare expenses. If you’re paying for daycare, before-school care, or babysitting so you can work, the cost is included — giving you credit for what you’ve already spent.
Health insurance premiums for the child are also included. If you’re covering insurance, the calculator subtracts that from the final support number, so the child’s medical care is accounted for without double-charging either parent.
From there, the system considers adjustments like extraordinary medical costs or educational needs, but for most parents, the number is straightforward once income, overnights, childcare, and healthcare are entered.
And what isn’t included? Your personal expenses — mortgage, car, vacation, or that new TV — don’t count. Irregular windfalls like a one-time inheritance might not be factored in either. But regular income, side hustles, and recurring gains generally do get counted.

Here’s the bottom line: Indiana’s child support system is designed to be fair, predictable, and based on real numbers. The more accurate information you provide — your income, childcare costs, healthcare premiums, and parenting schedule — the more accurate your support calculation will be.
If you’re wondering how these numbers apply to your situation, or you have income that’s unusual or complicated, you don’t have to navigate it alone. Call Boren, Oliver & Coffey — they know how the courts calculate child support, how to handle tricky income situations, and how to protect your child’s best interests while keeping your finances in check.

Brent is an accomplished attorney with over fifteen years of broad experience as a litigator and advisor. He is a lifelong Hoosier who understands the importance of community and prides himself on delivering the best results based on client needs and goals. Known for his pragmatic counsel, steady temperament, and collaborative style, Brent blends legal insight with real-world experience to help clients and organizations navigate complexity, minimize risk, and achieve lasting results.
Areas of Focus: Family Law, Real Estate Law, Business Law

