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GST Interest Calculator

GST Interest on Late Payment

Work out interest under Section 50 — 18% per year on the net cash tax liability, or 24% on wrongly availed ITC.

Interest payable ₹0
Days delayed0
Rate applied18% p.a.
Tax amount₹0
Total payable (tax + interest)₹0
How GST interest works. Under Section 50 read with Rule 88B, interest of 18% per annum applies on the net tax liability discharged through the electronic cash ledger — the part set off by ITC does not attract interest. If ITC has been wrongly availed or output tax wrongly reduced, the rate is 24% per annum. Interest is calculated daily: amount × rate × days ÷ 365. This is a guide — the GST portal auto-computes interest on filing. Confirm with a professional.

Late on a GST payment?

Interest runs until the tax is actually paid, so acting quickly saves money. Our team can reconcile your liability and file correctly — see GST advisory, the GST late fee calculator, or book a free consultation.

Need exact numbers? Talk to a CA — free

These tools give you a quick estimate. For precise figures, regime selection, filing and compliance, our Chartered Accountants in Saket, New Delhi will help. Share your details and we’ll call you back.

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