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Tax Tool

IRS Penalty Calculator

Estimate common late-filing and late-payment penalties for early planning.

Before you use this tool

Use this to understand how penalties may affect a balance before reviewing penalty relief, reasonable cause, or first-time abatement.

Unpaid tax amount
Months the return was late
Months the balance was unpaid
Payroll deposit facts if business-related
Prior penalty relief history

Penalty Calculator

Estimate common late-filing and late-payment penalties. IRS rules include details and exceptions, so use this only as a planning guide.

Rough penalty estimate

Late filing estimate: $1,200

Late payment estimate: $240

This does not include interest, minimum penalties, all payroll deposit penalty rules, or penalty relief decisions.

Reasonable cause usually needs a date-based explanation and supporting records.

How to read the result

The output is a planning screen. It can help you spot questions to answer, records to gather, and situations where a simple online step may not be enough.

Confirm numbers against official IRS records before sending money, filing a form, requesting relief, or making a deadline-sensitive decision.

This tool provides an educational estimate only. It does not replace IRS records, filed tax returns, official IRS systems, or advice from a qualified tax professional.