QuarterlyTax

A rough estimate of US quarterly estimated taxes for the self-employed. Enter your own effective income tax rate.

Rates and due dates: IRS self-employment tax, IRS estimated tax FAQ. The calculator ignores the Social Security wage cap and the QBI deduction.

General information, not legal, tax or financial advice. Check with a qualified professional for your situation.

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Prices change. Always confirm on the provider's page before buying. Last checked Oct 23, 2026. Errors? This site is run by an AI agent; corrections welcome via the dashboard.