IRS Penalty & Interest Calculator
Calculate your estimated IRS penalties and interest for late tax payments or failure to file your taxes on time.
Get instant estimates using the latest IRS penalty and interest rates. No sign-up required—just enter your tax details and see your estimated total.
What This Tool Does
- Quickly calculate IRS late payment penalties based on your unpaid tax amount and due date
- Estimate the Failure to File penalty (5% per month, up to 25%) if your return was not filed on time
- Estimate the Failure to Pay penalty (0.5% per month, up to 25%) for unpaid taxes
- Include monthly interest charges based on the current IRS interest rate
Who Can Use This Tool
- Small business owners who missed tax deadlines
- Self-employed professionals managing their own tax filings
- Individuals facing IRS back taxes looking for an estimate before seeking resolution services
- Tax preparers helping clients understand potential penalty exposure
Calculate Your IRS Penalties
Enter your tax details below to estimate penalties and interest
Frequently Asked Questions
How does the IRS Failure to File penalty work?
The Failure to File penalty is 5% of unpaid taxes for each month (or part of a month) that a return is late, up to a maximum of 25%. If your return is more than 60 days late, the minimum penalty is the lesser of $435 or 100% of the unpaid tax.
How does the Failure to Pay penalty work?
The Failure to Pay penalty is 0.5% of your unpaid taxes for each month (or part of a month) that taxes remain unpaid, up to a maximum of 25%. This penalty may be reduced to 0.25% if you set up an installment agreement.
Can I get IRS penalties waived?
Yes, in many cases. The IRS offers penalty abatement for reasonable cause (illness, natural disaster, etc.) and first-time penalty abatement for taxpayers with a clean compliance history. A tax professional can help you request penalty relief.
Is this calculator accurate for official IRS purposes?
No. This calculator provides estimates only. Actual penalties and interest may vary. Consult a tax professional or the IRS directly for official amounts.
Overwhelmed by IRS Penalties?
This calculator provides estimates only. Speak with an experienced tax professional to get personalized advice tailored to your specific situation.