Tax Estimator 2025 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 expenses from tax form 1040 for 2025/26. The 2025 tax calculator uses the 2025 federal tax tables and 2025 federal tax tables, you can view the latest tax tables and historical tax tables used in our tax and salary calculators.
Quick, accurate, and simple to use! Due to the complexity of income tax calculations, our income tax calculator only includes input fields for certain tax credits for the sake of simplicity.