The Quarterlizer: 2026 estimated tax projection

This is an estimate for tax year 2026, not tax advice. Your numbers stay in your browser and are not sent anywhere.

About you

Business type

Filing status

Applies to your personal return, including for a C corporation owner.

Numbers are through (date)

Year-to-date figures below run from January 1, 2026 to this date.

State

State tax is an approximate state rate, check your state.

Business, year to date

Revenue so far ($)

Total sales since January 1.

Cost of goods sold so far ($)

Leave blank if none.

Operating expenses so far ($)

Include any wages you list below: they are already part of this figure.

Wages paid to you as an owner so far ($)

S and C corporations only. Already inside operating expenses above.

Wages paid to other people so far ($)

Already inside operating expenses above.

Other income, for the full year

Other income for 2026 ($)

Wages from another job, interest, a spouse, and so on, for the whole year. Use a minus sign for a loss.

Of that, wages on a W-2 ($)

Used for the Social Security limit. Leave blank if none.

Payments and last year

Federal estimated tax payments made for 2026 ($)

Add up the installments you have already paid.

Federal tax withheld for 2026 so far ($)

From paychecks or other income. Leave blank if none.

Total tax on your 2025 return ($)

Used for the safe-harbor comparison. Leave blank if you do not have it.

Adjusted gross income on your 2025 return ($)

Needed with the 2025 total tax for the safe-harbor comparison.