Refund Calculator 2025. The federal tax calculator is updated for the 2025/26 tax year and is designed for quick online tax calculations by entering your gross (total) income from tax form 1040 and your gross. Simple form 1040 returns only (no schedules except for earned income tax.

Because tax rules change from year to year, your tax refund. Simple form 1040 returns only (no schedules except for earned income tax.