Tax year 2026 · Release preparation
2026 Tax Estimate Workbook
Wondering what you might owe—or get back—after a year of changing pay? The 2026 Excel workbook is in final review. It is being prepared to help you compare an educational annual tax estimate with withholding and payments and understand the assumptions behind the result.
The final price, supported scenarios, version, and delivery details will appear with the released product. It is not yet available for purchase or download.
Compare two paychecksBuilt around pay that changes throughout the year
Overtime, shift premiums, bonuses, and profit sharing can make a single paycheck a poor guide to annual taxes. Compare your annual income and withholding, and review the supported scenarios and limitations before using an estimate.
Read about withholding and final tax.
Guidance that helps you find your next step
The reviewed 2026 design includes a Read Me, a color key, clearly marked inputs, and a Tax Forms Guide. Input notes help identify the requested information, while assumptions and source references explain how the estimate works. The final product details remain subject to release review.
Choose the correct tax year
The available 2025 workbook uses tax year 2025 values and must not be used as a 2026 tax estimate. The 2026 workbook is not yet available for purchase or download.
What to do now
Compare your paystubs with the free overtime and bonus paycheck comparison. Review the workbook information on this page for availability and the separate annual-estimate workflow. For official requirements, consult the IRS Form W-4 and current instructions.
Educational information only, not tax advice or tax-return preparation. Your circumstances and official instructions control.