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Oregon Child Support Calculator (2026)

In Oregon, child support is based on both parents' combined income and the number of children. The total is split between you based on how much each parent earns, and parenting time can change the amount. Use the free calculator below for an instant estimate.

How it's calculated
Both parents' income combined
Income used
Before-tax (gross)
Last updated
2026
Verified
2026-05-30

Source: Oregon Child Support Guidelines (ORS 25.275)

Calculate Your Oregon Child Support

Free estimate — official Oregon guidelines

Include wages, salary, bonuses, and other income

How Much Is Child Support in Oregon?

If you make $60,000 a year in Oregon, child support for 1 child is estimated at $599 per month ($7,188 per year). This assumes the other parent earns approximately $36,000/year. Actual amounts depend on both parents' incomes, custody time, and add-on expenses (child care, health insurance).

$1,000/week ($52,000/year): approximately $544/month for 1 child.

Oregon Child Support Estimates by Income (2026)

Annual Income 1 Child 2 Children 3 Children
$40,000/yr $451/mo $656/mo $759/mo
$50,000/yr $529/mo $769/mo $891/mo
$60,000/yr $599/mo $873/mo $1,010/mo
$70,000/yr $663/mo $966/mo $1,119/mo
$80,000/yr $721/mo $1,051/mo $1,218/mo
$100,000/yr $826/mo $1,204/mo $1,396/mo
$120,000/yr $919/mo $1,341/mo $1,556/mo

Estimates assume the other parent earns 60% of your income. Actual amounts vary. Compare all states →

How Child Support Is Calculated in Oregon

Factors That Affect Child Support in Oregon

Both parents' gross monthly incomes
Number of children
Parenting time (percentage of overnights)
Health insurance costs for the children
Work-related child care costs
Prior child or spousal support obligations
Social Security benefits received on behalf of the child
Costs of long-distance parenting time transportation
Technical details and legal basis

Oregon uses the Income Shares model (Oregon Child Support Guidelines (ORS 25.275)) to calculate child support. This model combines both parents' incomes to determine the total obligation, then divides it proportionally based on each parent's share.

Important Notes for Oregon

  • Oregon uses the Income Shares model, combining both parents' gross incomes to determine the total child support obligation.
  • Each parent's share of the obligation is proportional to their percentage of the combined gross income.
  • Oregon applies a parenting time credit when the non-custodial parent has the children for more than 25% of overnights per year (approximately 92 nights).
  • The court may consider additional factors including the cost of living in each parent's area, transportation costs for parenting time, and the child's special needs.

Example Calculation

Scenario: Parent A earns $5,000/month, Parent B earns $3,000/month, 2 children.

Step 1: Combined income: $8,000

Step 2: Parent A's share: $5,000 / $8,000 = 62.5%

Step 3: Look up basic obligation for $8,000 combined and 2 children.

Step 4: Multiply by Parent A's share (62.5%).

Adjustments for health insurance, child care, and parenting time may apply.

Key Facts: Child Support in Oregon

  • Oregon uses the Income Shares model, meaning child support is based on both parents' combined gross income.
  • The basic child support obligation for 1 child ranges from approximately $176/month at $1,000 combined income to $2,030/month at $30,000 combined monthly income.
  • Each parent pays their proportional share of the total obligation based on their percentage of the combined income.
  • Oregon applies a parenting time credit when the non-custodial parent has the children for more than 25% of overnights per year.
  • Child support in Oregon may continue until age 21 if the child is still attending school, which is longer than many other states.

Oregon Child Support FAQ

How is child support calculated in Oregon?
Oregon uses the Income Shares model. Both parents' gross incomes are combined, and a basic child support obligation is determined from the state schedule. Each parent pays their proportional share based on their percentage of the combined income. Adjustments are made for health insurance, child care costs, and the parenting time schedule.
How does parenting time affect child support in Oregon?
Oregon applies a parenting time credit when the non-custodial parent has the children for more than 25% of overnights per year (approximately 92 nights). The credit increases as the number of overnights increases, reducing the child support obligation to reflect the direct costs the non-custodial parent bears during those overnights.
What income counts for Oregon child support?
Oregon uses gross income from all sources, including wages, salaries, commissions, bonuses, self-employment income, workers' compensation, unemployment benefits, Social Security, pensions, rental income, and investment income. The court may also impute potential income to a parent who is voluntarily underemployed or unemployed.
Can Oregon child support be modified?
Yes, child support in Oregon can be modified if there has been a substantial change in circumstances since the last order, or if the existing order has been in effect for at least three years. The Oregon Child Support Program also conducts periodic reviews. A change of at least 15% from the current order typically justifies a modification.
How long does child support last in Oregon?
In Oregon, child support generally continues until the child turns 18. However, if the child is still attending school (including high school or an equivalent program), support continues until age 21. Support may also be extended for a child with a disability who requires ongoing care.
Is this Oregon child support calculator updated for 2026?
Yes. This calculator uses Oregon's 2026 Child Support Guidelines schedule (ORS 25.275), the state's current schedule, last verified against the official Oregon Child Support Program source on May 30, 2026.
How much is child support in Oregon for 1 child?
It depends on the parents' combined gross monthly income. At $1,000 combined income, the basic obligation for 1 child is $176 per month. At $5,000 combined income it's $689 per month, and at $10,000 combined income it's $1,108 per month, based on Oregon's 2026 guidelines schedule.
Does the Oregon child support calculator include alimony or spousal support?
No, this calculator estimates child support only. Alimony, or spousal support, is decided separately by Oregon courts using different factors, such as the length of the marriage and each spouse's earning capacity.
What factors determine child support in Oregon?
Oregon bases child support on both parents' gross monthly incomes, the number of children, and the parenting time percentage of overnights. Courts also factor in health insurance costs, work-related child care costs, prior child or spousal support obligations, Social Security benefits paid on behalf of the child, and long-distance parenting time transportation costs.
What is Oregon's self-support reserve for child support?
Oregon sets a self-support reserve of $1,522 per month ($18,264 per year). This reserve is designed to ensure a paying parent keeps enough income to meet their own basic needs before the standard guideline calculation is applied in full.

About This Calculator

Uses the official Oregon Child Support Guidelines (ORS 25.275) (2026 guidelines). Last verified: 2026-05-30.

Disclaimer: Estimates only, not legal advice. Actual amounts are set by Oregon courts. Full disclaimer.

Methodology: Income Shares model per Oregon Child Support Guidelines (ORS 25.275).

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