The Signal Edition
Tool · Fintech

Hawaii income tax calculator

Hawaii state and federal income tax for 2025 or 2026.

Other income
Family
Deductions and adjustments
Federal deduction up to $25,000, 2025-2028.
The extra half-time pay; federal deduction up to $12,500 ($25,000 joint).

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How it’s calculated

2025: 1.4% to 11%. 2026: Same rates, standard deduction rises to $8,000 single.

The calculator applies Hawaii's own starting income, deductions, exemptions and main credits for the year chosen. The sources for every figure are linked under the Hawaii result.