Future Income Tax Estimator, Calculator

- Estimate how future income in 2026 will impact your taxes. This calculator is currently based on 2023 tax year tax tables. As soon as latest 2026 relevant tax data is released, this tool will be updated. For now, prepare and e-file your current year IRS and state income taxes via eFile.com.
- This calculator can be used to calculate IRS tax estimate payments for a given tax year for income without taxes withheld, like self-employment income. This estimator is integrated with a W-4 Form tax withholding feature.
- In case you have any tax questions: Contact an eFile.com Taxpert® before, during, or after you prepare and e-file your returns. It's free to AskIT: IT is Income Taxes!
- Of course, if you are ready to file this year's return, then let's go and eFileIT now: IT is Income Taxes! The deadline to e-file mid-October.
- Bookmark the link as this tax calculator will be updated during in 2025 with the latest 2026 Tax Year data.
Tax Calculator, Refund Estimator for 2026 IRS Tax Returns
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