What’s in it
- Payments: date, client, amount, and the set-aside for each, worked out from one percentage you set at the top.
- Quarters: income and set-aside totalled for each 2026 estimated-tax period, with the due date, and space for what you actually paid the IRS and your state.
- A printable version for anyone who’d rather keep it on paper.
Finding your percentage
The tracker needs one number: the share of each payment to set aside. Our free 1099 tax calculator works it out from your income, expenses, filing status and state on the 2026 brackets. For many people it lands between 20% and 30%. Type it into the cell at the top of the Payments sheet and every row follows.
The 2026 due dates
April 15, June 15 and September 15, 2026, and January 15, 2027. The periods are uneven: the June payment covers only April and May. The quarterly estimated tax calculator shows exactly what’s still due by each date, including the safe harbor.
Questions, answered
How much should I set aside for quarterly taxes?
Enough to cover self-employment tax (15.3% on 92.35% of profit), federal income tax at your bracket, and any state tax. For many self-employed people that is 20% to 30% of what they are paid. The 1099 tax calculator gives you a figure for your own income.
When are 2026 quarterly estimated taxes due?
April 15, 2026; June 15, 2026; September 15, 2026; and January 15, 2027. The tracker totals your income and set-aside for each of those periods.
Can I use this tracker in Google Sheets?
Yes. In Google Sheets choose File, Import, Upload, and pick the downloaded .xlsx file. The set-aside formulas and quarterly totals carry across.
Does the tracker work out my tax?
No. It tracks what you set aside and pay, using the percentage you enter. For the tax itself, use the 1099 tax calculator or the quarterly estimated tax calculator, both free.