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GST Late Fee Calculator

Last updated: 2026-05-04
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GST Late Fee Calculator

Calculate Penalty & Interest for Delayed Filing

GST 2.0
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. Click on any question to expand the answer.

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.

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.

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.

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.

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.

gavel Legal Disclaimer

This calculator is for informational and educational purposes only. GST rates are based on the 56th GST Council meeting recommendations (GST 2.0 reforms effective September 22, 2025) and may be updated through subsequent council meetings. The applicable GST rate depends on HSN/SAC classification and nature of supply. This tool should not be considered as tax advice. Always verify GST rates on gst.gov.in and consult a qualified GST practitioner for specific guidance.

verified Source: GSTN, Govt. of India • Last updated: 2026-05-04

update Latest Updates & Regulatory Changes

IMPORTANT

policy GST 2.0 Reforms (56th Council)

The 56th GST Council meeting recommended significant reforms effective September 22, 2025, including rate rationalization, merged tax slabs, and revised HSN/SAC classifications.

UPDATED

local_shipping E-Way Bill Threshold Revised

E-Way Bill generation threshold and validity period have been updated as per the latest GST Council recommendations. Check the updated rules for inter-state and intra-state movement of goods.

NEW

sync_alt GST Rate Rationalization

Multiple GST rates have been rationalized under GST 2.0 reforms. Certain goods previously taxed at 28% now attract 18%, and some 18% items are now at 12%. Verify the latest rates on gst.gov.in.

description Terms, Rules & Regulations

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CGST Act, 2017 & GST 2.0

GST calculations are governed by the Central Goods and Services Tax (CGST) Act, 2017, as amended by the GST 2.0 reforms effective September 22, 2025. Rate rationalization, HSN classification, and compliance requirements are as per the latest GST Council recommendations.

rule

GST Filing & Compliance

Registered taxpayers must file GSTR-1 (outward supplies) by the 11th and GSTR-3B (summary return) by the 20th of the following month. Quarterly filers under QRMP scheme must file GSTR-3B by the 22nd/24th of the month following the quarter. Late fees apply for delayed filing.

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Rate Verification

GST rates are subject to change through GST Council recommendations and government notifications. The applicable rate depends on HSN/SAC classification, nature of supply (goods/services), and place of supply. Always verify rates on gst.gov.in before filing returns.

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