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Child Support Calculator

Step-by-step estimates based on your state's published guidelines. Every calculation runs in your browser — nothing is stored.

Not a government website. Independent tool built to help parents understand how child support is calculated.

Hand-drawn calculator with a heart on the screen

Available states

Model: income shares

Ends at age: 19

Statute: Ala. R. Jud. Admin. 32

Calculate for Alabama

Model: percentage of income

Ends at age: 19

Statute: Alaska Stat. § 25.27.020

Calculate for Alaska

Model: income shares

Ends at age: 18

Statute: A.R.S. § 25-320

Calculate for Arizona

Model: income shares

Ends at age: 18

Statute: Ark. Code Ann. § 9-12-312

Calculate for Arkansas

Model: income shares

Ends at age: 19

Statute: Cal. Fam. Code § 4055

Calculate for California

Model: income shares

Ends at age: 19

Statute: C.R.S. § 14-10-115

Calculate for Colorado

Model: income shares

Ends at age: 18

Statute: Conn. Gen. Stat. § 46b-215a

Calculate for Connecticut

Model: income shares

Ends at age: 21

Statute: D.C. Code § 16-916.01

Calculate for District of Columbia

Model: income shares

Ends at age: 18

Statute: Del. Fam. Ct. R. 52

Calculate for Delaware

Model: income shares

Ends at age: 18

Statute: Fla. Stat. § 61.30

Calculate for Florida

Model: income shares

Ends at age: 18

Statute: O.C.G.A. § 19-6-15

Calculate for Georgia

Model: income shares

Ends at age: 18

Statute: Haw. Rev. Stat. § 576E-16

Calculate for Hawaii

Model: income shares

Ends at age: 18

Statute: Idaho Code § 32-706

Calculate for Idaho

Model: income shares

Ends at age: 18

Statute: 750 ILCS 5/505

Calculate for Illinois

Model: income shares

Ends at age: 19

Statute: Ind. Code § 31-16-6-1

Calculate for Indiana

Model: income shares

Ends at age: 18

Statute: Iowa Code § 598.21B

Calculate for Iowa

Model: income shares

Ends at age: 18

Statute: K.S.A. § 23-3002

Calculate for Kansas

Model: income shares

Ends at age: 18

Statute: KRS § 403.212

Calculate for Kentucky

Model: income shares

Ends at age: 18

Statute: La. R.S. § 9:315

Calculate for Louisiana

Model: income shares

Ends at age: 18

Statute: 19-A M.R.S. § 2006

Calculate for Maine

Model: income shares

Ends at age: 18

Statute: Md. Code Ann., Fam. Law § 12-204

Calculate for Maryland

Model: income shares

Ends at age: 18

Statute: M.G.L. c. 208 § 28

Calculate for Massachusetts

Model: income shares

Ends at age: 18

Statute: MCL § 722.717

Calculate for Michigan

Model: income shares

Ends at age: 18

Statute: Minn. Stat. § 518A.35

Calculate for Minnesota

Model: percentage of income

Ends at age: 21

Statute: Miss. Code Ann. § 43-19-101

Calculate for Mississippi

Model: income shares

Ends at age: 18

Statute: § 452.340 RSMo

Calculate for Missouri

Model: melson

Ends at age: 18

Statute: Mont. Code Ann. § 40-4-204; ARM 37.62.101-148

Calculate for Montana

Model: income shares

Ends at age: 19

Statute: Neb. Rev. Stat. § 42-364

Calculate for Nebraska

Model: income shares

Ends at age: 18

Statute: NRS § 125B.070

Calculate for Nevada

Model: income shares

Ends at age: 18

Statute: RSA § 458-C:3

Calculate for New Hampshire

Model: income shares

Ends at age: 18

Statute: N.J. Court Rule 5:6A

Calculate for New Jersey

Model: income shares

Ends at age: 18

Statute: NMSA § 40-4-11.1

Calculate for New Mexico

Model: income shares

Ends at age: 21

Statute: DRL § 240(1-b)

Calculate for New York

Model: income shares

Ends at age: 18

Statute: N.C. Gen. Stat. § 50-13.4

Calculate for North Carolina

Model: income shares

Ends at age: 18

Statute: N.D. Cent. Code § 14-09-09.7

Calculate for North Dakota

Model: income shares

Ends at age: 18

Statute: ORC § 3119.022

Calculate for Ohio

Model: income shares

Ends at age: 18

Statute: 43 Okla. Stat. § 118

Calculate for Oklahoma

Model: income shares

Ends at age: 18

Statute: ORS § 25.275

Calculate for Oregon

Model: income shares

Ends at age: 18

Statute: 23 Pa.C.S. § 4322

Calculate for Pennsylvania

Model: income shares

Ends at age: 18

Statute: R.I. Gen. Laws § 15-5-16.2

Calculate for Rhode Island

Model: income shares

Ends at age: 18

Statute: S.C. Code § 63-17-470

Calculate for South Carolina

Model: income shares

Ends at age: 18

Statute: SDCL § 25-7-6.2

Calculate for South Dakota

Model: income shares

Ends at age: 18

Statute: Tenn. Code Ann. § 36-5-101

Calculate for Tennessee

Model: percentage of income

Ends at age: 18

Statute: Texas Family Code § 154.125

Calculate for Texas

Model: income shares

Ends at age: 18

Statute: Utah Code Ann. § 78B-12-202

Calculate for Utah

Model: income shares

Ends at age: 18

Statute: 15 V.S.A. § 653

Calculate for Vermont

Model: income shares

Ends at age: 18

Statute: Va. Code Ann. § 20-108.2

Calculate for Virginia

Model: income shares

Ends at age: 18

Statute: RCW § 26.19.020

Calculate for Washington

Model: income shares

Ends at age: 18

Statute: W.Va. Code § 48-13-101

Calculate for West Virginia

Model: percentage of income

Ends at age: 18

Statute: Wis. Stat. § 767.511

Calculate for Wisconsin

Model: income shares

Ends at age: 20

Statute: Wyo. Stat. § 20-2-304

Calculate for Wyoming