OR - Child Support Worksheet (CSF 02 0910) Calculator
All custody arrangements; support to age 21 for Children Attending School
Beta - the Oregon worksheet matches the state's official calculator in our
tests, but has not yet been validated against real Oregon cases. Please compare results with
the official Oregon calculator.
New to the Oregon guideline? Read Understanding the Oregon worksheet.
Include 18-year-olds attending high school and living with a parent (line 1d).
Unmarried 18-to-20-year-olds in school at least half time; Oregon support runs to 21 and
is paid directly to them (line 1e).
Worksheet line 5a (OAR 137-050-0750).
Line 4f. "Choose for me" applies OAR 137-050-0750: the qualifying parent, or with both
qualifying, the parent with more parenting time.
Overnights entered: 0 of 365
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Plaintiff
Saved parents aren't available for Oregon yet.
$
Gross monthly income - actual, potential, or presumed (worksheet line 1a).
$
$
$
$
This parent's other legal children - minors in the household or under an ongoing support order (line 1c).
$
For joint children under 13 (or disabled), work- or training-related, out of pocket (line 3a).
Enter the allowable amount, as on the official calculator: for each child in
care, up to the OAR 137-050-0735 Table 1 maximum (per child, monthly) for that
child's age - or more, only when the higher cost qualifies under the rule's
section (4) exception:
- Under 1 year: $1,705 metro / $1,190 elsewhere
- 1 to 3 years: $1,705 metro / $1,083 elsewhere
- 3 to 6 years: $1,400 metro / $860 elsewhere
- 6 and older: $1,100 metro / $629 elsewhere
Two-year average of overnights with the joint minor children; both parents must total 365 (line 6a).
$
Benefits paid to the joint children because of this parent's disability or retirement (line 8e).
E.g. incarceration or disability benefits as the sole income (OAR 137-050-0755).
Defendant
Saved parents aren't available for Oregon yet.
$
Gross monthly income - actual, potential, or presumed (worksheet line 1a).
$
$
$
$
This parent's other legal children - minors in the household or under an ongoing support order (line 1c).
$
For joint children under 13 (or disabled), work- or training-related, out of pocket (line 3a).
Enter the allowable amount, as on the official calculator: for each child in
care, up to the OAR 137-050-0735 Table 1 maximum (per child, monthly) for that
child's age - or more, only when the higher cost qualifies under the rule's
section (4) exception:
- Under 1 year: $1,705 metro / $1,190 elsewhere
- 1 to 3 years: $1,705 metro / $1,083 elsewhere
- 3 to 6 years: $1,400 metro / $860 elsewhere
- 6 and older: $1,100 metro / $629 elsewhere
Two-year average of overnights with the joint minor children; both parents must total 365 (line 6a).
$
Benefits paid to the joint children because of this parent's disability or retirement (line 8e).
E.g. incarceration or disability benefits as the sole income (OAR 137-050-0755).
Excel export isn't available for Oregon yet.
Results
Enter inputs and Calculate.
Implements OAR 137-050 effective 2026-07-01 - compare with the official Oregon calculator. FairShare provides estimates for informational purposes only - not legal advice. Actual support obligations are determined by the court under your state's guidelines. See the terms.