What is Form 1040-ES?

Form 1040-ES is the IRS form used by Individuals to calculate and submit quarterly estimated tax payments. It includes a worksheet for estimating annual tax liability based on expected income, deductions, and credits, then divides the required payment into four quarterly installments. Self-employed Individuals, freelancers, and anyone with income not subject to withholding use this form to stay current with federal tax obligations. A Traditional 401k contribution reduces the taxable income used in the 1040-ES worksheet, lowering each quarterly payment amount.

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