Is the Child Support Calculator free?

Yes. The Child Support Calculator on calculpage is completely free with no account required.

Yes. All calculations run entirely in your browser. Nothing you enter is transmitted to any server.

What category does the Child Support Calculator belong to?

The Child Support Calculator belongs to the Financial category on calculpage.

Financial

Estimate child support obligation using the income-shares model.

Parent A Monthly Income

Parent B Monthly Income

Number of Children

Parent A Custody (%)

Combined income × child percentage = obligation. Parent A's share = income ratio × (100% − custody %).

Mortgage

Loan

Auto Loan

Interest

Payment

Retirement

Is this calculator legally binding?▼

No. Child support is determined by courts using state-specific guidelines. This provides a general estimate only.

What factors affect child support?▼

Courts consider income, custody time, child care costs, health insurance, and special needs of the child.

What are the income-shares percentages used?▼

The percentages are simplified approximations: 17% for 1 child, 25% for 2, 29% for 3, 31% for 4, 35% for 5, 37% for 6 or more.

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