Free · Oregon · Current law
Based on Oregon's official Income Shares formula. Enter both parents' incomes and get an estimate in under a minute.
Before taxes — wages, self-employment, bonuses
A best estimate is fine for now
Taxes, mandatory retirement, union dues…
Work or school related
Estimated monthly support
The other parent pays you, the parent with primary timesharing.
Estimate only — based on a simplified reading of Oregon Child Support Guidelines Scale - Updated Obligation Scale B - Table 1. A judge can deviate. Not legal advice.
Get a plain-English copy of this estimate, the numbers used, and a short checklist for what to review before relying on it.
Child support in Oregon is calculated by first determining each parent's gross income and then their adjusted income, which accounts for deductions like union dues, health insurance, and spousal support. These adjusted incomes are combined to find a basic support obligation using a statewide scale based on the number of children. Each parent's share of this obligation is then determined proportionally to their share of the combined adjusted income. Further adjustments are made for childcare costs, medical support obligations, and parenting time credits, leading to a net support obligation.
A substantial change in either parent's income — voluntary or involuntary — can trigger a modification.
Changes in childcare costs or the children's health insurance premiums directly adjust the support amount.
If the custody schedule changes significantly, support can be recalculated under Oregon guidelines.
Medical conditions, disabilities, or educational needs can justify a departure from the guideline amount.
Common questions
An uncontested divorce in Oregon can be finalized in a few weeks to a few months. Contested cases, however, can take six months to over a year depending on the complexity of the issues involved. There is no mandatory waiting period after filing, but the respondent typically has 30 days to respond to the divorce petition.
No, you are not legally required to hire a lawyer to get divorced in Oregon, especially if you have an uncontested divorce where both parties agree on all terms. This is known as a "pro se divorce." However, for complex cases involving significant assets, debts, or child custody disputes, consulting with an experienced attorney is highly recommended to protect your rights and ensure a fair outcome.
Yes, Oregon is an exclusively no-fault divorce state. The sole legal ground for dissolution of marriage is "irreconcilable differences" between the parties that have caused the irremediable breakdown of the marriage (ORS §107.025). This means neither spouse needs to prove fault or wrongdoing, such as adultery or cruelty, to obtain a divorce.
Oregon is an equitable distribution state, meaning marital property and debts are divided in a manner that is "just and proper in all the circumstances," as per ORS §107.105(1)(f). This does not necessarily mean an equal 50/50 split, but rather a fair division based on factors such as each spouse's contributions to the marriage (financial and non-financial), the duration of the marriage, and each party's economic circumstances.
Oregon offers a streamlined "summary dissolution" process under ORS §107.485 for couples who meet specific criteria. This option is available for marriages of 10 years or fewer, with no minor children, and limited assets and debts. It provides a quicker and simpler path to divorce for qualifying couples.
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