Free GST Tool
GST Late Fee & Interest Calculator
Instant estimate of late fee and interest for GSTR-3B, GSTR-1, GSTR-4, GSTR-7 and GSTR-9. Auto-fills due dates, applies turnover caps, and gives you a challan-ready split.
Compliance Calculator
GST Late Fee & Interest Calculator
Estimate late fee (Section 47) and interest (Section 50) for delayed GST returns.
Late Fee + Interest Estimator
Section 47 & 50 CGST Act
Auto-filled; edit for extensions or QRMP dates.
Estimated Liability
Days Delayed
0
Late Fee
0
Interest
0
—
Total Payable
0
Late Fee Split (CGST / SGST)
CGST
0
SGST
0
Filed on time — no late fee or interest.
Disclaimer:Indicative estimate only. Verify the final amount on the GST portal before payment — the portal's auto-computation is authoritative. Rules last verified: 26 Jul 2026.
• Late fee is charged from the day after the due date to the filing date, inclusive.
• Interest is computed on the net cash-ledger portion after ITC offset.
• Interest is computed on the net cash-ledger portion after ITC offset.
Avoid late fees next time — reconcile before you file.
Explore TaxSolver Reconciliation