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State Residency Day Calculator (2025)

Calculate your state tax based on days spent in each state. Includes 183-day residency threshold warnings and income allocation.

State residency day calculator

Allocate income based on days spent in each state and check residency thresholds.

Days & income
$
Florida: 200 daysNew York: 165 days
Residency analysis

200 / 165 day split

Spending 200 days in Florida and 165 days in New York produces $3,124 in combined state tax (2.08% effective rate).

Total state tax

$3,124

183-day residency threshold reached

You spent 200 days in Florida. States may consider you a full-year resident and tax all your income, not just the allocated portion.

FL200 days

Florida

183+ days
No state income tax
Days Present200 (54.8%)
Allocated Income$82,192
Residency StatusPotential full-year resident
State Tax$0

NY165 days

New York

Days Present165 (45.2%)
Allocated Income$67,808
Residency StatusPart-year resident
State Tax$3,124

Summary

Spending 200 days in Florida and 165 days in New York produces $3,124 in combined state tax (2.08% effective rate).

Spending 200 days in Florida and 165 days in New York results in $3,124 total state tax.

With 200 days in Florida, you may be considered a full-year resident. Many states use the 183-day threshold to establish residency.

Florida has no state income tax — days spent there carry no income tax consequence.

The 183-day rule is a common threshold, but states also consider other factors like domicile, permanent home, voter registration, and driver's license location.

Day-based allocation

Review the income split and export the results

5 rows

MetricFloridaNew YorkDifference
Days Present200 days165 days
% of Year54.8%45.2%
Allocated Income$82,192$67,808
State Tax$0$3,124−$3,124
Residency StatusPotential full-year residentPart-year resident

Estimates are for planning purposes and don't constitute tax advice.

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