What is the IRS form number for estimated income tax payments?

The Internal Revenue Service form used to make quarter estimated tax payments is Form 1040-ES. The name of the form is "Estimated Tax for Individuals. People use this form and submit quarterly payments to the IRS when they receive self-employment income and owe income and self-employment taxes.

The PDF file of IRS Form 1040-ES is available on the IRS website on the "Estimated Taxes" page. The form includes a worksheet with instructions on who must pay the estimated tax and submit the form. Estimated taxes are based on calculations of adjusted gross income, taxable income, taxes and deductions for the year in which payments are to be made.