Alaska uses the Percentage of Income model — only the paying parent’s gross income is used. Updated for 2026 — covers 50/50 custody, arrears, modifications and Alaska child support laws.
20%1 Child Rate
NoneIncome Cap
18Age Support Ends
6%Arrears Interest
🐻 Alaska Percentage of Income Model
Alaska Child Support Calculator 2026
Alaska uses the Percentage of Income model — only the paying parent’s gross income is used.
ℹAlaska uses gross income — Gross = total income before any deductions.
From this parent only — Alaska does not use the other parent’s income
$
$0$20k
From this relationship only
Reduces available income
Portion covering the child only
$
Daycare, after-school care
$
Estimated Monthly Child Support
$0
per month
Annual Total
$0
Rate Applied
—
Until Age
18
ALASKA CHILD SUPPORT SCHEDULE 2026
* Estimate using official Alaska percentage formula. Courts may deviate based on special circumstances. Consult a Alaska family law attorney for your specific situation.
🐻 How Alaska Calculates Child Support
ModelPercentage of Income — paying parent’s gross income only
Income CapNo set cap — courts use discretion
Minimum Order$50/month minimum regardless of income
Arrears Interest6% annual interest on unpaid arrears
Alaska Key RuleAlaska uses gross income — before taxes and deductions
Additional InfoAlaska courts can deviate from guidelines for high-income earners
⚖ 50/50 Custody in Alaska
Does Child Support Apply With 50/50 Custody in Alaska?
In most cases, yes. Alaska 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 Alaska family law attorney for exact figures.
📋 Alaska Arrears Calculator
Alaska Child Support Arrears Calculator
Calculate total back child support including 6% annual interest Alaska applies to unpaid arrears.
⚠Alaska charges 6% annual interest on all unpaid child support arrears.
$
$
$
Total Arrears Owed (with 6% Interest)
$0
including Alaska 6% 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
* Alaska applies 6% annual interest to unpaid child support. There is generally no statute of limitations on child support debt.
🔄 Modification Estimator
Alaska Child Support Modification
Estimate your new payment and check if you qualify for a modification in Alaska.
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 Alaska family law attorney before filing.
📜 Updated 2026
Alaska Child Support Laws 2026
Key rules, age cutoffs and what you need to know in Alaska.
FORMULA How Alaska Calculates Child Support
Alaska Rule of Civil Procedure 90.3 governs child support. Alaska has no formal income cap but courts have discretion at high income levels. Courts must explain in writing any deviation from guidelines.
AGE When Does Child Support End in Alaska?
Child support in Alaska ends when the child turns 18 — or high school graduation, whichever is later (19 max). 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 Alaska
Alaska charges 6% annual interest on unpaid child support arrears. There is generally no statute of limitations on child support debt.
ENFORCEMENT Alaska Child Support Enforcement
Alaska 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 Alaska
Child support can be modified in Alaska 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.
📅 Alaska Payment Calendar
Child Support Payment Calendar 2026
Generate your personal payment schedule and track payments month by month.
$
Monthly Total
$0
Annual Total
$0
Next Payment
—
Days Until Due
—
Payments Remaining
—
Marked Paid
$0
* Click Mark as Paid to track payments. Always keep payment receipts.
Need a Alaska Family Law Attorney?
This calculator provides estimates. For filing, modifying or enforcing a child support order, connect with a local family law attorney.