Self employed workers must make estimated tax payments four times a year to cover income taxes and self employment tax that nobody withholds on their behalf. The IRS requires these payments whenever a person expects to owe at least 1,000 dollars for the year.
Why the IRS Demands Payments Throughout the Year
Wage earners settle their tax bill gradually because employers withhold money from every paycheck. Freelancers, contractors, landlords and anyone collecting interest, dividends or taxable alimony do not have that built in safety net, so the government asks them to send in payments on their own schedule instead of waiting until April.
Skipping these payments does not make the tax bill disappear. It just delays it, and a delayed bill tends to arrive with penalties attached. Filers can sidestep those penalties if their withholding and estimated payments combined reach at least 90 percent of what they owe for the current year, or 100 percent of what they owed the previous year. Higher earners face a stricter bar: 110 percent of last year's tax if adjusted gross income topped 75,000 dollars for single filers or 150,000 dollars for joint filers.
Anyone who misses the first deadline in April should not wait for the next one. Sending a late first payment as soon as possible limits how much penalty interest accumulates.
Working Out What You Owe
Start with last year's total tax bill as a rough baseline, then adjust up or down based on how this year's income is shaping up and any new credits or deductions in play. A rideshare driver who normally logs four hours a day of deliveries can build an estimate around that routine, then revise it the next quarter if hours drop or climb.
The IRS lays out the math in Form 1040-ES, Estimated Tax for Individuals. The form walks through deadlines, points to IRS phone support, flags exemptions, and includes a worksheet for calculating the payment itself, factoring in deductions and credits along the way.
Anyone with clean books, ideally kept current with accounting software, can usually run these numbers without much trouble. Messier records may call for an accountant or bookkeeper, and anyone going that route should start early so a search for help does not eat into the filing deadline.

The 2024 Payment Schedule
Even though the IRS calls these