Compare calculators

Both calculators run independently — change the inputs on either side to compare results.

Child Support Calculator

Estimates monthly child support obligations from both parents' incomes and the number of children using a simplified income-shares model. Use it for early divorce planning, mediation prep, or sanity-checking a state guideline calculator — not as a substitute for a court order.

Payer Monthly Income ($)

Receiver Monthly Income ($)

Number of Children

Law

Alimony Calculator

Estimates monthly spousal support payments from each spouse's income, marriage length, alimony type, and age adjustment. Useful for divorce planning, mediation prep, or sanity-checking attorney quotes — not enforceable without a court order.

Higher Earner's Annual Income ($)

Lower Earner's Annual Income ($)

Marriage Duration (years)

Type of Alimony

Age Factor Adjustment

Key differences

	Child Support Calculator	Alimony Calculator
Category	Law	Law
Inputs required	3	5
Result	Estimated Monthly Child Support ($)	Monthly Alimony Payment ($)
What it does	Estimates monthly child support obligations from both parents' incomes and the number of children using a simplified income-shares model. Use it for early divorce planning, mediation prep, or sanity-checking a state guideline calculator — not as a substitute for a court order.	Estimates monthly spousal support payments from each spouse's income, marriage length, alimony type, and age adjustment. Useful for divorce planning, mediation prep, or sanity-checking attorney quotes — not enforceable without a court order.