IRS Penalty and Interest Calculator
The IRS writes off millions of dollars tax debt a year, see if you qualify
Trifecta Tax Relief Penalty & Interest Calculator
Estimate IRS penalties and daily compounded interest for late-filed or late-paid federal income tax balances. This calculator is designed for planning, education, and consultation prep.
Tax Information
Calculator Inputs
Penalty Types
When Failure-to-File and Failure-to-Pay apply during the same month, the Failure-to-File rate is reduced for the overlapping period.
Payments & Credits
Add payments or credits. Payments dated after the due date reduce principal for interest from that same day in this model.
Tax Adjustments
Use positive numbers to increase the balance and negative numbers to reduce it.
This calculator is an estimate only. It does not account for every IRS notice-based penalty change, disaster relief, reasonable cause relief, first-time abatement, or every fact pattern.
Results
Calculation Results
Original Tax Owed
$0.00
Total Penalties
$0.00
Interest
$0.00
Post-Due Payments Applied
$0.00
Total Amount Due
$0.00
Get Help from Trifecta Tax Relief
Penalties and interest can add up fast. If your estimate looks overwhelming, let Trifecta Tax Relief review your IRS situation and help you explore your best resolution options.
Detailed Breakdown
Tax Year—
Taxpayer Type—
Original Tax Owed$0.00
Tax Base Used$0.00
Failure to File (FTF)$0.00
Failure to Pay (FTP)$0.00
Accuracy-Related$0.00
Total Interest$0.00
Total Penalties$0.00
Final Amount Due$0.00
Interest Calculation
Daily compounded interest is shown by quarterly rate segments.
| Start Date | End Date | Days | Rate | Starting Balance | Interest |
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Summary
| Date | Type | Description | Amount |
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Calculation Notes
Enter values and click Calculate.
This calculator provides estimates based on standard IRS rules. It is not legal or tax advice. Complex matters should be reviewed by a qualified tax professional.