Pennsylvania’s child support rules, Pa.R.Civ.P. 1910.16-1 through -7, were updated in the quadrennial review effective January 1, 2026, with a complete 575-row schedule. A $1,255 self-support reserve is protected first, and parents with 40% or more shared custody receive a reduction that includes an income-equalizing cap. This calculator reproduces every worked example printed in the rules, to the dollar.
Key facts
| Model | Income shares — Pa.R.Civ.P. 1910.16-1 to -7 (quadrennial review, eff. 2026-01-01) |
|---|---|
| Schedule | 575-row table |
| Self-support reserve | $1,255/month |
| Shared-custody threshold | ≥40% — reduction with income-equalizing cap |
| Verification | Every worked example in the rules reproduced to the dollar |
Official source: https://www.pacodeandbulletin.gov/Display/pacode?file=/secure/pacode/data/231/chapter1910/s1910.16-3.html
Custody arrangements covered
- Standard custody
- Shared custody (≥40%) — reduction with an income-equalizing cap
Frequently asked questions
What edition of the Pennsylvania rules is current?
The quadrennial-review edition of Pa.R.Civ.P. 1910.16-1 to -7, effective January 1, 2026.
What is Pennsylvania’s self-support reserve?
$1,255/month, protected for the paying parent before support is calculated.
What triggers Pennsylvania’s shared-custody reduction?
40% or more shared custody time, which applies a reduction subject to an income-equalizing cap.
How accurate is this Pennsylvania calculator?
It reproduces every worked example printed in the rules, to the dollar.
Update history
- — Pennsylvania went live under Pa.R.Civ.P. 1910.16-1 to -7 as amended effective 2026-01-01 (the quadrennial review), with the full 575-row schedule, a $1,255 self-support reserve, and the 40%-plus shared-custody reduction with income-equalizing cap. Every worked example in the rules reproduces to the dollar.