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1099 Estimated Tax — Pro Planner

A complete quarterly plan for self-employment income: choose your safe harbor, handle uneven income, see the full breakdown, then print or export it.

Filing status

Expected 1099 income

Business expenses

Other household income

Federal tax withheld

Children under 17

Safe harbor target

California resident

Income is uneven across the year

Q1 % of income

Q2 %

Q3 %

Q4 %

Tax breakdown

Quarterly schedule — 2026 tax year

Quarter	Due date	Federal	California