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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.

Available states

  • Alabama

    Model: income shares

    Ends at age: 19

    Statute: Ala. R. Jud. Admin. 32

    Calculate for Alabama

  • Alaska

    Model: percentage of income

    Ends at age: 19

    Statute: Alaska Stat. § 25.27.020

    Calculate for Alaska

  • Arizona

    Model: income shares

    Ends at age: 18

    Statute: A.R.S. § 25-320

    Calculate for Arizona

  • Arkansas

    Model: income shares

    Ends at age: 18

    Statute: Ark. Code Ann. § 9-12-312

    Calculate for Arkansas

  • California

    Model: income shares

    Ends at age: 19

    Statute: Cal. Fam. Code § 4055

    Calculate for California

  • Colorado

    Model: income shares

    Ends at age: 19

    Statute: C.R.S. § 14-10-115

    Calculate for Colorado

  • Connecticut

    Model: income shares

    Ends at age: 18

    Statute: Conn. Gen. Stat. § 46b-215a

    Calculate for Connecticut

  • District of Columbia

    Model: income shares

    Ends at age: 21

    Statute: D.C. Code § 16-916.01

    Calculate for District of Columbia

  • Delaware

    Model: income shares

    Ends at age: 18

    Statute: Del. Fam. Ct. R. 52

    Calculate for Delaware

  • Florida

    Model: income shares

    Ends at age: 18

    Statute: Fla. Stat. § 61.30

    Calculate for Florida

  • Georgia

    Model: income shares

    Ends at age: 18

    Statute: O.C.G.A. § 19-6-15

    Calculate for Georgia

  • Hawaii

    Model: income shares

    Ends at age: 18

    Statute: Haw. Rev. Stat. § 576E-16

    Calculate for Hawaii

  • Idaho

    Model: income shares

    Ends at age: 18

    Statute: Idaho Code § 32-706

    Calculate for Idaho

  • Illinois

    Model: income shares

    Ends at age: 18

    Statute: 750 ILCS 5/505

    Calculate for Illinois

  • Indiana

    Model: income shares

    Ends at age: 19

    Statute: Ind. Code § 31-16-6-1

    Calculate for Indiana

  • Iowa

    Model: income shares

    Ends at age: 18

    Statute: Iowa Code § 598.21B

    Calculate for Iowa

  • Kansas

    Model: income shares

    Ends at age: 18

    Statute: K.S.A. § 23-3002

    Calculate for Kansas

  • Kentucky

    Model: income shares

    Ends at age: 18

    Statute: KRS § 403.212

    Calculate for Kentucky

  • Louisiana

    Model: income shares

    Ends at age: 18

    Statute: La. R.S. § 9:315

    Calculate for Louisiana

  • Maine

    Model: income shares

    Ends at age: 18

    Statute: 19-A M.R.S. § 2006

    Calculate for Maine

  • Maryland

    Model: income shares

    Ends at age: 18

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

    Calculate for Maryland

  • Massachusetts

    Model: income shares

    Ends at age: 18

    Statute: M.G.L. c. 208 § 28

    Calculate for Massachusetts

  • Michigan

    Model: income shares

    Ends at age: 18

    Statute: MCL § 722.717

    Calculate for Michigan

  • Minnesota

    Model: income shares

    Ends at age: 18

    Statute: Minn. Stat. § 518A.35

    Calculate for Minnesota

  • Mississippi

    Model: percentage of income

    Ends at age: 21

    Statute: Miss. Code Ann. § 43-19-101

    Calculate for Mississippi

  • Missouri

    Model: income shares

    Ends at age: 18

    Statute: § 452.340 RSMo

    Calculate for Missouri

  • Montana

    Model: income shares

    Ends at age: 18

    Statute: Mont. Code Ann. § 40-4-204

    Calculate for Montana

  • Nebraska

    Model: income shares

    Ends at age: 19

    Statute: Neb. Rev. Stat. § 42-364

    Calculate for Nebraska

  • Nevada

    Model: income shares

    Ends at age: 18

    Statute: NRS § 125B.070

    Calculate for Nevada

  • New Hampshire

    Model: income shares

    Ends at age: 18

    Statute: RSA § 458-C:3

    Calculate for New Hampshire

  • New Jersey

    Model: income shares

    Ends at age: 18

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

    Calculate for New Jersey

  • New Mexico

    Model: income shares

    Ends at age: 18

    Statute: NMSA § 40-4-11.1

    Calculate for New Mexico

  • New York

    Model: income shares

    Ends at age: 21

    Statute: DRL § 240(1-b)

    Calculate for New York

  • North Carolina

    Model: income shares

    Ends at age: 18

    Statute: N.C. Gen. Stat. § 50-13.4

    Calculate for North Carolina

  • North Dakota

    Model: income shares

    Ends at age: 18

    Statute: N.D. Cent. Code § 14-09-09.7

    Calculate for North Dakota

  • Ohio

    Model: income shares

    Ends at age: 18

    Statute: ORC § 3119.022

    Calculate for Ohio

  • Oklahoma

    Model: income shares

    Ends at age: 18

    Statute: 43 Okla. Stat. § 118

    Calculate for Oklahoma

  • Oregon

    Model: income shares

    Ends at age: 18

    Statute: ORS § 25.275

    Calculate for Oregon

  • Pennsylvania

    Model: income shares

    Ends at age: 18

    Statute: 23 Pa.C.S. § 4322

    Calculate for Pennsylvania

  • Rhode Island

    Model: income shares

    Ends at age: 18

    Statute: R.I. Gen. Laws § 15-5-16.2

    Calculate for Rhode Island

  • South Carolina

    Model: income shares

    Ends at age: 18

    Statute: S.C. Code § 63-17-470

    Calculate for South Carolina

  • South Dakota

    Model: income shares

    Ends at age: 18

    Statute: SDCL § 25-7-6.2

    Calculate for South Dakota

  • Tennessee

    Model: income shares

    Ends at age: 18

    Statute: Tenn. Code Ann. § 36-5-101

    Calculate for Tennessee

  • Texas

    Model: percentage of income

    Ends at age: 18

    Statute: Texas Family Code § 154.125

    Calculate for Texas

  • Utah

    Model: income shares

    Ends at age: 18

    Statute: Utah Code Ann. § 78B-12-202

    Calculate for Utah

  • Vermont

    Model: income shares

    Ends at age: 18

    Statute: 15 V.S.A. § 653

    Calculate for Vermont

  • Virginia

    Model: income shares

    Ends at age: 18

    Statute: Va. Code Ann. § 20-108.2

    Calculate for Virginia

  • Washington

    Model: income shares

    Ends at age: 18

    Statute: RCW § 26.19.020

    Calculate for Washington

  • West Virginia

    Model: income shares

    Ends at age: 18

    Statute: W.Va. Code § 48-13-101

    Calculate for West Virginia

  • Wisconsin

    Model: percentage of income

    Ends at age: 18

    Statute: Wis. Stat. § 767.511

    Calculate for Wisconsin

  • Wyoming

    Model: income shares

    Ends at age: 20

    Statute: Wyo. Stat. § 20-2-304

    Calculate for Wyoming