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Free calculator · 1099 contractors

How much do you owe the IRS on January 15?

As a 1099 contractor, no one withholds your taxes. Enter your 2026 numbers and we’ll show you how much to pay in January to avoid penalties, and what would be left for April.

$
What you were paid or expect to be paid this year, before expenses
$
Fuel, tools, insurance, phone, subcontractors…
$
If you haven’t paid anything, leave it at 0
$
Yours, or both spouses’ if filing jointly
$
$
Interest, rent, etc.
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The “total tax” on your 2025 Form 1040. Entering it may lower the result.

To see your result

Your result appears right here. We keep your name and email so we can follow up; see our privacy policy.

FAQ
What happens if I skip the January payment?

The IRS may charge an underpayment penalty, figured separately for each quarter that was short. Paying in January stops that quarter’s penalty from growing.

Do I have to pay if my tax is small?

Generally, if you owe less than $1,000 after withholding and credits, no estimated payment is required.

Can you handle my payments and books?

Yes. We do monthly bookkeeping for 1099 contractors, figure each quarterly payment and send you the schedule in writing.

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