1099 tax calculator for 2026

Worksheet · tax year 2026

Filing status

Income minus business expenses for the whole year: Schedule C line 31.

$

Form 1040, line 24. It unlocks the prior-year safe harbor, which is often the cheaper option.

$
$
Pay each quarterNext due January 15, 2027
$3,123

A quarter of the safe-harbor amount. Pay this on each due date and the IRS can’t charge an underpayment penalty.

Haven’t paid anything for 2026 yet? To catch up by January 15, 2027, pay $12,493. The sooner you pay, the less penalty builds up.
Projected 2026 federal tax
$13,881
Self-employment tax
$9,608
Income tax
$4,273
Safe harbor: 90% of 2026 tax
$12,493
Set aside from each dollar of profit
20.4%
Your top federal bracket
12%

2026 schedule

  1. Q1 · April 15, 2026$3,123
  2. Q2 · June 15, 2026$3,123
  3. Q3 · September 15, 2026$3,123
  4. Q4 · January 15, 2027$3,123

Free 1099 tax calculator by Paid & Filed. An estimate for planning, not tax advice. Nothing you type leaves your browser.