Filing status Select filing status Single Married filing jointly Married filing separately Head of household Qualifying surviving spouse

2025 adjusted gross income — found on Form 1040, line 11

2025 total tax — found on Form 1040, line 24

Projected 2026 total federal tax — optional Enter projected total tax, not projected income or balance due. Leave blank if unknown.

Expected 2026 federal income tax withheld

2026 estimated tax remaining after withholding $0

Estimated-tax payment schedule Estimated taxes are generally paid in four installments on the following dates: