Financial Calculators

GST Interest & Late Fee Calculator India FY 2025-26

Calculate interest (18% p.a.) and late fees for late GSTR-3B filings for FY 2025-26. Supports turnover-based due dates.

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GST & Tax Deadlines (2025)

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Calculate GST Interest & Late Fees

Enter tax and filing details to calculate GST penalties. Results are estimates; consult a GST advisor.

FAQs

What is GSTR-3B?

GSTR-3B is a monthly self-declared summary return filed by GST-registered taxpayers, summarizing outward and inward supplies, ITC, and tax liability.

How is GST interest calculated?

Interest is charged at 18% p.a. on the outstanding tax liability for the number of days the GSTR-3B filing is delayed, under Section 50.

What are the late fees for GSTR-3B?

Late fees are ₹100/day (₹50 CGST + ₹50 SGST) for regular filings, capped at ₹5,000 each for turnover >₹5 crore, or ₹2,000 for <₹1.5 crore. Nil filings have lower fees (₹20/day).

What are the GSTR-3B filing due dates?

Due dates depend on turnover: 20th of next month (>₹5 crore), 22nd (₹1.5–5 crore), 24th (<₹1.5 crore). Check state-specific rules.

Can late fees be waived?

Late fees may be waived under amnesty schemes or for specific periods, as announced by CBIC. Check official GST notifications.