IRS Penalty Calculator

IRS Penalty & Interest Calculator

Calculate failure to file, failure to pay, accuracy-related penalties & IRS interest

Penalty Selector

Checked penalties will be calculated

Failure to File

Failure to Pay

Accuracy-Related

IRS Penalty & Interest Calculator

Taxpayer Type: Individual Corporation

Tax Year:

Did you file an extension? No Yes

Tax Owed Per Return: ?

Tax owed according to the filed return

Return Due Date: ?

Tax Due Date: ?

Required payment date

Date Return Submitted: ?

When the return was filed. Leave blank for non-filed returns.

Did the IRS send a bill or invoice? No Yes

Was there an IRS adjustment? No Yes

Did the IRS send a notice of intent to levy? No Yes

Date of levy notice:

Was an installment agreement ever in place? No Yes

Start date: End date (leave blank if still active):

Payoff Date: ?

When to stop calculating penalties and interest

▼ Payments or Credits ▼

Messages:

Detailed Failure to File Report

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Date	Citation	Explanation	Penalty

Detailed Failure to Pay Report

▼

Date	Citation	Explanation	Penalty

Detailed IRS Interest Report

▼

Date	Factor	Explanation	Interest	Cumulative Interest

Summary IRS Penalty & Interest Report

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📊 IRS Interest Rates Table

📐 Tools & Analysis

📊 What-If Date Comparison

Compare different payoff dates to see how much you could save by paying sooner.

Payoff Date 1

Payoff Date 2

Payoff Date 3 (optional)

💳 Installment Payment Calculator

Enter a monthly payment amount to see how long it will take to pay off your balance and total cost.

Monthly Payment ($)

Start Date

🛡️ First Time Abatement (FTA) Eligibility

The IRS may remove penalties if you meet the First Time Abatement criteria. Answer these questions:

You have NOT been assessed any penalties for the 3 prior tax years

You have filed all required returns (or filed valid extensions)

You have paid, or arranged to pay, any tax currently owed

This is a failure to file or failure to pay penalty (not fraud or accuracy)

⚖️ Reasonable Cause Analyzer

The IRS may remove penalties if you have reasonable cause. Select all that apply:

Fire, casualty, or natural disaster — prevented you from meeting your tax obligations

Death or serious illness — of yourself or immediate family member

Unable to obtain records — necessary records were unavailable (not within your control)

Erroneous IRS advice — you relied on incorrect written advice from the IRS

Reliance on tax professional — you provided accurate info but your preparer made an error

Incapacity — you were unable to manage your financial affairs due to physical or mental disability

Military service in combat zone — you served in a designated combat zone

IRS error or delay — the penalty was caused by IRS processing errors

💾 Save & Load Scenarios

Save your current calculator inputs to compare later or come back to them.

Scenario Name

Saved Scenarios

No saved scenarios yet.

📥 Export to CSV

Download the calculation results as a CSV file that you can open in Excel or Google Sheets.

Note: Run a calculation first before exporting.

📅 Multi-Year Calculator

Calculate penalties and interest for multiple unfiled/unpaid tax years at once.

Tax Year 2024 2023 2022 2021 2020 2019

Tax Owed ($)

🧮 Estimated Tax Penalty (Form 2210)

Calculate the penalty for underpayment of estimated tax. Enter your quarterly payment details.

Tax Year 2025 2024 2023

Total Tax Liability ($)

Withholding & Credits ($)

Prior Year Tax ($)

Estimated Tax Payments Made

Q1 (Apr 15) $

Q2 (Jun 15) $

Q3 (Sep 15) $

Q4 (Jan 15) $

🤝 Offer in Compromise (OIC) Quick Estimator

Estimate what the IRS might accept to settle your tax debt. This is a simplified estimation — consult a tax professional.

Monthly Income

Gross Monthly Income ($)

Allowable Monthly Expenses ($)

Assets

Bank Accounts ($)

Home Equity ($)

Vehicle Equity ($)

Other Assets ($)

Total Tax Debt Owed ($)

Payment Type Lump Sum (5 months) Periodic (24 months)

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