IRS Penalty Calculator -

IRS Penalty Calculator — TaxSignal

Penalty types to calculate

Failure to File

Filed after the deadline

Failure to Pay

Tax paid after the deadline

Interest

Daily interest on unpaid balance

Accuracy Penalty

Substantial understatement

Your tax information

Tax owed ($) Amount due before penalties

Tax year

Original due date Usually April 15

Date filed / paid Or today if still unpaid

Estimated penalties

Total: $0

Important: This calculator provides estimates based on standard IRS penalty rates. Actual amounts may vary depending on your specific situation, IRS adjustments, or penalty abatement eligibility. Always verify with an official IRS notice or a qualified tax professional.