Federal · 2026
Estimated tax safe harbor
Compare the current-year and prior-year annual benchmarks, account for withholding and see the remaining gap after payments already made.
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Your estimated 2026 tax after refundable credits, projected federal withholding and estimated payments. For the prior-year route, also use defined 2025 tax and 2025 adjusted gross income.
Annual planning only. The tool explains payment timing, special-rule exclusions and its IRS sources.