Self-employed income has no tax withheld. Enter your numbers and get a percentage to move into a tax account every time you get paid. Free, no sign-up, U.S. tax year 2026.
| Income earned | Due date |
|---|---|
| Jan 1 to Mar 31, 2026 | April 15, 2026 |
| Apr 1 to May 31, 2026 | June 15, 2026 |
| Jun 1 to Aug 31, 2026 | September 15, 2026 |
| Sep 1 to Dec 31, 2026 | January 15, 2027 |
If a date falls on a weekend or holiday, it moves to the next business day.
It is the Social Security and Medicare tax you pay yourself when you work for yourself: 15.3% of 92.35% of your profit, with the Social Security part capped at $184,500 of earnings in 2026. Half of it is deductible when figuring income tax.
Usually yes, if you expect to owe $1,000 or more for the year. Paying late can add penalties, which is why setting money aside from every payment helps.
A separate savings account that you do not touch. Moving the percentage over as soon as you get paid makes it easy to see what is really yours.
This estimate leaves out the 20% business income deduction, tax credits, retirement contributions and other deductions, so many people owe less. It is a safe starting point, not a tax return.
We will email your breakdown and a reminder before each quarterly due date.
Estimate only, not tax advice. Based on U.S. federal tax year 2026 figures plus the flat state rate you enter. Rules change, so confirm with a tax professional or the IRS before paying.