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Indiana Child Support Calculator
Parents' weekly incomes
Example: $1,440 + $960/week, 2 children, 73 overnights with Parent A → $240/week ($1,040/month) from Parent A to Parent B.
Behind the numbers
How Indiana child support is calculated
Indiana uses the income-shares model in the Indiana Child Support Rules and Guidelines. Both parents' weekly incomes are added together, a basic child support obligation is read from the official schedule for that combined income and number of children, and each parent's share is set in proportion to income. A parenting-time credit then reduces the share of the parent who has the children overnight, because that parent pays for food, housing, and daily care during that time. This calculator uses simplified percentages in place of the official schedule table so every step can be checked by hand; a court will use the official schedule, so the result is a planning estimate only.
Combined weekly income is $1,440 + $960 = $2,400. For 2 children the simplified basic obligation is 25% of combined income (18% for 1 child, 25% for 2, 30% for 3, 34% for 4 or more), so $2,400 × 25% = $600 per week. Parent A earns 60% of the combined income, so Parent A's share is $600 × 60% = $360. Parent A has 73 of 365 overnights, or 20% of the year, giving a parenting-time credit of $600 × 20% = $120. Payment = $360 − $120 = $240 per week. Monthly amount = $240 × 52 ÷ 12 = $1,040 per month.
Examples
Example results
| Children | Parent A / Parent B weekly income | Overnights with Parent A | Weekly payment | Monthly payment |
|---|---|---|---|---|
| 1 | $900 / $600 | 73 | $108 | $468 |
| 2 | $1,440 / $960 | 73 | $240 | $1,040 |
| 3 | $1,500 / $1,000 | 146 | $150 | $650 |
| 4 | $1,800 / $1,200 | 146 | $204 | $884 |
Tips
Use gross weekly income before taxes, as the Indiana guideline starts from gross income and then allows set deductions.
Count overnights carefully over a full year — 73 overnights is about one night a week, and 146 is about two nights a week.
Childcare, health insurance premiums, and uninsured medical costs are usually added to the basic obligation and split by income share.
If income is irregular, average it over a fair period instead of using one unusually high or low week.
For a court filing, use the official Indiana schedule and worksheet, or ask the local child support office for help.
Good to know
Frequently asked questions
Is this the official Indiana amount?
No. This is a simplified estimate. Indiana courts use the official child support schedule in the Indiana Child Support Rules and Guidelines, which sets the basic obligation from a table rather than a flat percentage.
How does parenting time change the payment?
More overnights mean a larger parenting-time credit, because the parent is paying directly for the children's daily needs during that time. In the official guideline the credit grows once overnights pass 52 a year.
How do I turn the weekly amount into a monthly amount?
Multiply the weekly amount by 52 weeks and divide by 12 months. For example, $240 × 52 ÷ 12 = $1,040 per month.
Does this calculator give legal advice?
No. It gives a 2026 estimate for planning only. Only a court can set a child support order, and only a licensed Indiana family law attorney can advise on your case.