BizSoKaeGST & Invoicing
Free Public Calculator Utility

GST Late Fee & Interest Calculator

Calculate your exact Section 47 Late Fees and Section 50 Interest penalties for delayed GSTR-3B & GSTR-1 returns under current Indian GST regulations.

Return & Delay Parameters

₹

Section 50 interest (18% p.a.) applies strictly to net cash tax after ITC offset.

Total Penalty Computed

₹1,308.90

Days Delayed

21 Days

Section 47 Late Fee:₹1,050.00
• CGST Late Fee:₹525.00
• SGST Late Fee:₹525.00
Section 50 Interest @ 18% p.a.:₹258.90

Calculated on ₹25,000 net tax for 21 days.

Share Calculation on WhatsAppAvoid Penalties • Start For Free

Automated filing reminders, 1-click JSON, and instant payment reconciliation.

GST Provisions & Rules (Ref: CBIC)

  • • Section 47: Late fee of ₹50/day (₹25 CGST + ₹25 SGST) or ₹20/day for NIL returns.
  • • Section 50(1): Interest @ 18% per annum charged on delayed net cash tax payment.
  • • CBIC Notification No. 19/2021-CT: Maximum late fees are capped based on annual turnover slabs.