IRS Penalty Calculator

IRS Penalty & Interest Calculator

Estimate failure to file, failure to pay, IRS interest, and selected adjustment scenarios.

Penalties

Failure to File Failure to Pay Accuracy-Related

Return Type Individual (Form 1040) Business entity returns are not supported in this version. Tax Year

Did you file an extension? No Yes Tax Owed Per Return Total tax liability shown on the filed return, before payments or credits.

Return Due Date Tax Due Date

Date Return Submitted Leave blank for unfiled returns.

Did the IRS send a bill or invoice? No Yes Date on IRS bill/notice Was there an IRS adjustment? No Yes Additional tax from IRS adjustment Notice payment due date

Notice of intent to levy? No Yes Date of levy notice Installment agreement? No Yes Start date End date (blank if active)

Payoff Date

Payments or Credits

Detailed Failure to File Report

Date	Citation	Explanation	Penalty

Detailed Failure to Pay Report

Date	Citation	Explanation	Penalty

Detailed IRS Interest Report

Date	Factor	Explanation	Interest	Cumulative Interest

Summary

Disclaimer: This calculator is for informational purposes only and does not constitute financial, tax, or legal advice. Consult a tax professional for advice specific to your situation.