GST Late Fee Calculator
Calculate late fee under Section 47 and interest under Section 50 for delayed GST return filing. Late fee is ₹50/day (₹500 flat for nil returns), capped at ₹2,000 / ₹5,000 / ₹10,000 based on annual turnover (Notification 19/2021-CT).
Calculation Formula
- GSTR-1/3B = ₹50/day, cap ₹2K/₹5K/₹10K
- Nil = ₹500 flat
- GSTR-4 = ₹50/day (max ₹2,000)
How to Use This Calculator
Select return type, enter days delayed and tax payable. Toggle nil return for the flat ₹500 fee. Interest applies only to GSTR-3B on net cash liability.
This calculator is for informational and educational purposes only. Tax calculations are based on the Income Tax Act, 2025 (effective April 1, 2026) and may not reflect all individual circumstances. Tax slabs, rebate thresholds, and deduction limits are subject to change through government notifications. Always verify at incometax.gov.in and consult a qualified Chartered Accountant for personalized guidance.
Latest Government Job & Exam Updates
Auto-refreshed 3 October 2026 – every link opens a Gyapan notification page, which links only the official government source.
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.

Never Miss a Tax Deadline Again
Due-date alerts, GST updates and tax tips — free on the app you already use.
event Next: TDS Return (138 / 140) · 31 Oct