GST Late Fee Calculator Guide

Calculate GSTR-3B and GSTR-1 late filing fee plus interest on tax due. Free GST penalty calculator India — verify on GST portal.

25 August 20267 min read

Late filing of GSTR-1, GSTR-3B or GSTR-9 attracts per-day late fees plus interest on outstanding tax. Pitara's GST late fee calculator GSTR-3B estimates penalties using updateable CBIC reference rules — for planning before payment on the GST portal.

Late fee overview (indicative)

  • GSTR-1 / GSTR-3B — typically ₹50/day per act (CGST+SGST), lower for nil returns, caps apply
  • GSTR-9 — higher per-day fee with separate caps
  • Interest — 18% p.a. on tax due for delayed payment

Calculate penalty

  1. Open GST Late Fee Calculator.
  2. Select return type and days late.
  3. Enter tax liability and nil-return flag if applicable.
  4. Review late fee, interest and total — pay exact amount on portal.

Use GST Calculator for invoices and E-Way Bill Validator for logistics checks.

Frequently Asked Questions

GSTR-3B late fee per day?

Typically ₹50/day CGST + ₹50/day SGST with caps — lower for nil returns.

Is interest included?

Yes — approximate 18% p.a. on outstanding tax for days late.

Are rules always current?

Reference rules in tool — verify latest CBIC notifications before payment.

GSTR-9 penalty?

Select GSTR-9 in the tool for higher annual return late fees.

Try it free

Use our GST Late Fee Calculator tool — runs in your browser, no upload required.

Open GST Late Fee Calculator

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