search
calculate Income Tax Calculator

GST Late Fee Calculator

event_busy GST Late Fee & Interest Calculator 2026

Calculate Penalty for Delayed GST Return Filing Online

Updated for 2026 | GSTR-3B & GSTR-1 Penalty
warning Important: Late filing of GST returns attracts both GST late fee and interest. Use this GST penalty calculator to estimate your liability. Interest is charged at 18% p.a. on the tax amount, while the GSTR-3B late fee depends on your return type.
GSTR-3B (Monthly Return) ▼
GSTR-1 (Outward Supplies)
GSTR-3B (Monthly Return)
GSTR-4 (Composition)
GSTR-9 (Annual Return)
Regular Taxpayer ▼
Regular Taxpayer
Nil Return
Tax Liability: ₹50,000.00
Late Fee (per day × days): ₹1,500.00
Interest @ 18% p.a.: ₹739.73
Total Penalty: ₹2,239.73

assignment GST Late Fee Structure (2026)

ReturnRegular TaxpayerNil ReturnMax Cap
GSTR-1₹50/day (CGST+SGST)₹20/day₹10,000
GSTR-3B₹50/day (CGST+SGST)₹20/day₹10,000
GSTR-4₹50/day₹20/day₹2,000
GSTR-9₹200/day-0.25% of turnover

GST Late Fee and Interest Calculation Guide 2026

Filing GST returns on time is crucial to avoid penalties. If you miss the due date, you'll be liable to pay both late fee and interest on the outstanding tax amount.

Interest on Late GST Payment

  • 18% per annum: On tax paid after the due date
  • 24% per annum: On undue or excess ITC claimed
  • Calculation: Interest = (Tax Amount × 18 × Days) / (100 × 365)

How to Avoid GST Late Fees?

  • Set reminders for GST due dates (11th, 13th, 20th of each month)
  • File nil returns even if there's no business activity
  • Use GST software with auto-reminders
  • Keep all invoices and documents ready before due date

Frequently Asked Questions

Is there any waiver on GST late fees?
The government occasionally announces amnesty schemes with reduced or waived late fees for past periods. However, for current filings, late fees apply as per the prescribed rates.
Can I claim ITC if I file returns late?
Yes, you can claim ITC even if you file late, but you'll have to pay the applicable late fee and interest. However, ITC cannot be claimed after the due date of September return of the following year.

Frequently Asked Questions

Find answers to common questions about gst late fee. These FAQs are designed to help you understand key concepts and make informed decisions.

1. What is the late fee for filing GST returns?

The late fee for GSTR-1, GSTR-3B, and other returns is prescribed under the GST Act. It is typically a per-day penalty, subject to a maximum cap, which can vary based on your turnover and the type of return.

2. How is the interest on late GST payment calculated?

Interest is payable if you delay the payment of GST liability. The interest is calculated on the outstanding tax amount for the period of delay. The current rate is generally 18% per annum.

3. Does this calculator compute both late fee and interest?

Yes, this tool helps you calculate both the potential late fee for delayed filing of GST returns and the interest payable on the delayed tax payment, giving you a complete picture of your liability.

4. What information do I need to use this calculator?

You will need to provide your aggregate turnover, the number of days of delay, and the outstanding tax amount to get an accurate calculation of the late fees and interest.

5. Is there a way to reduce or waive the late fee?

The government may occasionally announce amnesty schemes or waivers for late fees, especially during crises. However, under normal circumstances, the late fee is automatically levied by the GSTN portal and is mandatory.

warning Disclaimer

This GST late fee and interest calculator is for informational and educational purposes only. Late fee and interest rates are subject to change based on government notifications. The actual penalty may vary based on specific circumstances, return type, and applicable waivers. Always refer to the official GST portal (gst.gov.in) for the latest rates and rules. Consult a qualified GST practitioner for specific guidance on your case.

📩 Stay Updated on GST & Tax

Get the latest HSN updates, IFSC changes and tax saving tips delivered to your inbox.

✅ Free Tax Saving Checklist

Download our 2026 checklist to maximize your deductions under 80C, 80D & more.

chat