Quick Summary: GST Late Fee & Interest Calculator

Delayed GST filing in FY 2026-27 attracts a late fee of ₹50 per day (₹25 CGST + ₹25 SGST) for regular returns and ₹20 per day for Nil returns. Additionally, interest is charged at 18% per annum on the portion of tax paid via the cash ledger.

How to use the GST Late Fee & Interest Calculator

  1. Select Return Type

    Choose GSTR-3B, GSTR-1, or GSTR-4.

  2. Enter Due Date & Filing Date

    Input the official deadline and the actual date you filed.

  3. Input Tax Liability

    Enter the amount of GST paid via cash to calculate the 18% interest component.

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Regulatory Disclaimer · FY 2026-27

Last verified May 2026

Nature:Calculator platform and is NOT a SEBI-registered Investment Adviser. All calculations are indicative.

Risk:"Investments in securities market are subject to market risks. Read all related documents carefully before investing."

Consult a SEBI-registered IA or CA for personalised advice.

9 out of 10 traders in F&O incurred net losses (SEBI 2023). Tax estimates based on IT Act 2025. Trezoriq is not liable for financial decisions based on results.