Turbotax Tax 2025 Refund Estimator. Turbotax’s tax refund calculator gives a comprehensive estimate of tax liability or refund. Estimate your tax bill or refund with our free federal income tax calculator.
Estimate your tax bill or refund with our free federal income tax calculator. 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.