Free tools / Quarterly Estimated Tax Calculator

Free tool

Quarterly Estimated Tax Calculator

Self-employed or own a pass-through business? Estimate what you may owe the IRS for 2026 and what each quarterly payment should be.

2026 estimated tax due dates

Q1April 15, 2026
Q2June 15, 2026
Q3September 15, 2026
Q4January 15, 2027
100% freeNo sign-up, no email required to use it
Updated for 2026Current IRS brackets, limits and dates
PrivateYour numbers stay in your browser

Estimates for general information only, not tax advice. Your actual numbers depend on your full situation.

Estimated payment per quarter

$0

Federal income tax$0
Self-employment tax$0
Less withholding$0
Total for the year$0

2026 due dates

Apr 15, 2026Jun 15, 2026Sep 15, 2026Jan 15, 2027
Let us handle your quarterly filings →
How it works

What this calculator assumes

It uses the 2026 federal tax brackets and standard deduction ($16,100 single, $32,200 married filing jointly), adds 15.3% self-employment tax on 92.35% of your profit, and deducts half of that self-employment tax from income, the way your return does.

It does not include the qualified business income deduction, itemized deductions, credits or state taxes, so your real bill may be lower. Paying at least 100% of last year's tax (110% if your income was over $150,000) in four equal payments generally protects you from underpayment penalties.

How to use it

Three steps, about a minute

Swipe to see more →

1

Pick your filing status

Single or married filing jointly.

2

Enter your income

Your expected self-employment profit, other income and any tax withheld from paychecks.

3

Pay each quarter

Pay the quarterly amount by each due date through IRS Direct Pay or your IRS online account.

Questions

Common questions

Straight answers from our team.

See all FAQs →
Who has to pay estimated taxes?

Generally anyone who expects to owe $1,000 or more for the year after withholding and credits. That includes most self-employed people, freelancers, gig workers and business owners whose pay isn't withheld.

What happens if I miss a payment?

The IRS charges an underpayment penalty, figured separately for each quarter, much like interest. Paying late is still better than not paying; the penalty stops growing once the payment is made.

How can I avoid the penalty?

Pay at least 90% of this year's tax, or 100% of last year's tax (110% if last year's adjusted gross income was over $150,000), spread over the four due dates.

How do I make the payments?

Online through IRS Direct Pay, EFTPS or your IRS online account, or by mail with a Form 1040-ES voucher. Our bookkeeping clients get the amounts and reminders from us each quarter.

Never miss a quarterly payment again

We calculate and schedule your quarterly payments as part of bookkeeping. Send your details and we will reach out.

Or call 253-335-9649, Mon–Fri, 9am–6pm.

Ready to get started?

Tell us what you need and we will get back to you quickly.

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