Maine uses the Income Shares model — both parents’ gross incomes are combined. Updated for 2026 — covers 50/50 custody, arrears, modifications and Maine child support laws.
BothParents Income
NoneIncome Cap
18Age Support Ends
15%Arrears Interest
🦞 Maine Income Shares Model
Maine Child Support Calculator 2026
Maine uses the Income Shares model — both parents’ gross incomes are combined.
ℹMaine uses gross income — Gross = total income before any deductions.
$
$0$20k
$
$0$20k
$
$
Estimated Monthly Child Support
$0
per month
Annual Total
$0
Combined Income
—
Until Age
18
* Estimate using official Maine income shares formula. Courts may deviate based on special circumstances. Consult a Maine family law attorney for your specific situation.
🦞 How Maine Calculates Child Support
ModelIncome Shares — both parents’ combined gross income
Income CapNo set cap — courts use discretion
Minimum Order$50/month minimum regardless of income
Arrears Interest15% annual interest on unpaid arrears
Maine Key RuleMaine uses combined gross income against published schedule tables
Additional InfoMaine applies 15% annual interest on unpaid child support — the highest rate in the country
⚖ 50/50 Custody in Maine
Does Child Support Apply With 50/50 Custody in Maine?
In most cases, yes. Maine does not automatically eliminate child support with equal parenting time.
✓General rule: With 50/50 custody, the higher-earning parent typically pays the lower-earning parent. The amount is reduced vs sole custody but rarely reaches $0.
$
$0$15k
$
$0$15k
Estimated Monthly Payment
$0
per month
Without Custody Adj.
$0
Custody Reduction
$0
Net Payment
$0
* 50/50 custody calculations are complex. This is an approximation. Consult a Maine family law attorney for exact figures.
📋 Maine Arrears Calculator
Maine Child Support Arrears Calculator
Calculate total back child support including 15% annual interest Maine applies to unpaid arrears.
⚠Maine charges 15% annual interest on all unpaid child support arrears.
$
$
$
Total Arrears Owed (with 15% Interest)
$0
including Maine 15% annual interest
Base Arrears
$0
Interest Accrued
$0
Clear in 1 Year
$0
Clear in 2 Years
$0
Clear in 3 Years
$0
Support Ends Age
18
* Maine applies 15% annual interest to unpaid child support. There is generally no statute of limitations on child support debt.
🔄 Modification Estimator
Maine Child Support Modification
Estimate your new payment and check if you qualify for a modification in Maine.
ℹModification rule: Most states allow modification when the new amount differs by 15-20% or $100/month, OR when there is a material and substantial change in circumstances (job loss, new child, custody change).
$
36+ months = eligible for routine review
$
Estimated New Monthly Payment
$0
per month
Current Order
$0
New Calculated
$0
Difference
$0
% Change
0%
Likely Qualifies?
—
Time Since Order
—
* Qualification estimate only. Consult a Maine family law attorney before filing.
📜 Updated 2026
Maine Child Support Laws 2026
Key rules, age cutoffs and what you need to know in Maine.
FORMULA How Maine Calculates Child Support
Maine Revised Statutes Title 19-A Section 2006 governs child support. Maine is notable for charging 15% annual interest on unpaid arrears. Courts may order support beyond 18 for disabled children.
AGE When Does Child Support End in Maine?
Child support in Maine ends when the child turns 18 — Support ends at 18 or high school graduation. Support also ends upon the child’s death, marriage or emancipation. Important: In most cases support does not stop automatically — you need a court order. Stopping payments without a court order creates arrears even after the child reaches the cutoff age.
INTEREST Arrears Interest in Maine
Maine charges 15% annual interest on unpaid child support arrears. Maine’s rate of 15% is among the higher rates in the country. There is generally no statute of limitations on child support debt.
ENFORCEMENT Maine Child Support Enforcement
Maine has broad enforcement powers including wage garnishment, tax refund interception, driver’s license suspension, professional license suspension, passport denial, and credit bureau reporting. Criminal charges may apply for significant or long-term non-payment.
MODIFY Modifying Child Support in Maine
Child support can be modified in Maine when there is a material and substantial change in circumstances — typically a significant income change, job loss, new children from another relationship, or change in custody. Most states also allow a periodic review every 3 years. File a petition with the court — private agreements to change support are not legally enforceable.
📅 Maine Payment Calendar
Child Support Payment Calendar 2026
Generate your personal payment schedule and track payments month by month.
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Monthly Total
$0
Annual Total
$0
Next Payment
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Days Until Due
—
Payments Remaining
—
Marked Paid
$0
* Click Mark as Paid to track payments. Always keep payment receipts.
Need a Maine Family Law Attorney?
This calculator provides estimates. For filing, modifying or enforcing a child support order, connect with a local family law attorney.