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Underwithholding penalty risk
underpayment penalty calculator for safe harbor checks.
Tax year
2026
2025
2024
2023
2022
Filing status
Single
Married filing jointly
Married filing separately
Head of household
Qualifying surviving spouse
Prior-year total tax
Prior-year AGI
Expected current-year tax
Payments/withholding to date
Expected remaining payments/withholding
Check risk
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This tool provides federal-only estimates.