Throughout this site, states are referenced
with their map so you can follow ones using the same formula as
yours. Select “Guidelines Primer” from the side menu
for an explanation of these child support formulas. Select “Formulas
By State” to see this window again.
I =
Income Shares. (37 states)
% =
Percentage of Obligor Income (a.k.a. Wisconsin
Model - 10 states)
m =
Delaware-Melson (3 states)
H =
A hybrid (Massachusetts)
State
Guidelines
Model
Income
Base
Alabama
Income Shares
Gross
Alaska
% of Obligor Income
Net
Arizona
Income Shares
Gross
Arkansas
% of Obligor Income
Net
California
Income Shares
Net
Colorado
Income Shares
Gross
Connecticut
Income Shares
Net
District of Columbia
Income Shares
Gross
Delaware
Melson
Net
Florida
Income Shares
Net
Georgia
Income Shares
Gross
Hawaii
Melson
Net
Idaho
Income Shares
Gross
Illinois
% of Obligor Income
Net
Indiana
Income Shares
Gross
Iowa
Income Shares
Net
Kansas
Income Shares
Gross
Kentucky
Income Shares
Gross
Louisiana
Income Shares
Gross
Maine
Income Shares
Gross
Maryland
Income Shares
Gross
Massachusetts
% Hybrid
Gross
Michigan
Income Shares
Net
Minnesota
Income Shares
Gross
Mississippi
% of Obligor Income
Gross
Missouri
Income Shares
Gross
Montana
Melson
Net
Nebraska
Income Shares
Net
Nevada
% of Obligor Income
Gross
New Hampshire
% of Obligor Income
Net
New Jersey
Income Shares
Net
New Mexico
Income Shares
Gross
New York
% of Obligor Income
Gross
North Carolina
Income Shares
Gross
North Dakota
% of Obligor Income
Net
Ohio
Income Shares
Gross
Oklahoma
Income Shares
Gross
Oregon
Income Shares
Gross
Pennsylvania
Income Shares
Net
Rhode Island
Income Shares
Gross
South Carolina
Income Shares
Gross
South Dakota
Income Shares
Net
Tennessee
Income Shares
Gross
Texas
% of Obligor Income
Net
Utah
Income Shares
Gross
Vermont
Income Shares
Net
Virginia
Income Shares
Gross
Washington
Income Shares
Net
West Virginia
Income Shares
Gross
Wisconsin
% of Obligor Income
Gross
Wyoming
Income Shares
Net
TOTAL
% of Obligor Income: 10
Income Shares: 37
Melson: 3
Hybrid: 1
Use Net: 21
Use Gross: 30
Source: Jane Venohr and Robert
G. Williams, "The Implementation and Periodic Review of State Child Support
Guidelines," Family Law Quarterly, Volume 33, Number 1, Spring
1999, Table 1, page 11.
