GST Late Fee Calculator

Free online GST late fee calculator for all GST return types.

What Is a GST Late Fee?

A GST late fee is a penalty charged when a taxpayer files a GST return after the due date. The fee is fixed on a per-day basis until the return is filed. These charges apply to all regular GST returns, including GSTR-1, GSTR-3B, and other periodic filings.

Late fees are applied from the day after the due date until the actual filing date. The longer the delay, the higher the total late fee becomes. For NIL returns, the late fee amount is lower compared to returns that have transactions.

It is also important to understand the difference between late filing and late payment. Late filing refers to submitting the GST return after the deadline, which attracts a fixed late fee. Late payment refers to paying the GST amount after the due date, which attracts interest on the outstanding tax. Both charges can apply at the same time if the return and the payment are delayed.

How GST Late Fees Are Calculated

GST late fees are calculated based on the number of days a return is delayed and the type of return being filed. The fee is charged per day, and it is divided equally between CGST and SGST.

For GSTR-1 and GSTR-3B, the standard late fee for non-NIL returns is 50 rupees per day, which includes 25 rupees under CGST and 25 rupees under SGST. For NIL returns, the late fee is reduced to 20 rupees per day, with 10 rupees under CGST and 10 rupees under SGST.

Our GST late fee calculator helps you instantly find the exact amount of late fee payable when a GST return is filed after the due date. Instead of manually applying formulas, you can enter a few details and get the final late fee under CGST and SGST.

Below are the inputs required in our GST late fee calculator:



Calculator Inputs

Input Field Description
Return type Choose the type of GST return, such as GSTR-1 or GSTR-3B
Taxpayer type Select whether you are a normal taxpayer, composition dealer, or any other category
Return period Select the tax period for which the return is being filed (month or quarter)
Due date The official last date for filing the selected return
Actual filing date The date on which you actually submitted the return

Based on these inputs, the calculator automatically computes the number of delayed days and applies the correct late fee rates.

Calculator Output

Output Description
CGST late fee Late fee charged under Central GST based on delay
SGST late fee Late fee charged under State GST based on delay
Total late fee CGST + SGST combined amount payable

Late Fee Rates Used in Calculation

Category NIL Return (Per Day) Non-NIL Return (Per Day)
GSTR-1 10 CGST + 10 SGST = 20 25 CGST + 25 SGST = 50
GSTR-3B 10 CGST + 10 SGST = 20 25 CGST + 25 SGST = 50

The calculator multiplies the per-day late fee with the total number of delayed days and applies the maximum allowed cap according to GST rules. This provides a clear and accurate late fee amount before filing your return.

Latest GST late fees table

Return / Form Late fee per day (Non-NIL) Late fee per day (NIL) Maximum late fee cap (CGST + SGST)
GSTR-3B (monthly) ₹50 per day (₹25 + ₹25) ₹20 per day (₹10 + ₹10) ₹2,000 (AATO ≤ ₹1.5 cr), ₹5,000 (₹1.5–5 cr), ₹10,000 (> ₹5 cr)
GSTR-1 (monthly/quarterly) ₹50 per day ₹20 per day Same as GSTR-3B caps
GSTR-4 (composition) ₹50 per day ₹20 per day NIL return: ₹500; Others: ₹2,000
GSTR-7 (TDS return) ₹50 per day Not applicable ₹2,000 per return
GSTR-6 (ISD return) ₹50 per day Not applicable Up to ₹10,000
GSTR-5 (Non-resident taxable) ₹50 per day ₹20 per day Up to ₹10,000
GSTR-5A (OIDAR) ₹50 per day ₹20 per day Up to ₹10,000
GSTR-9 (annual return) ₹100–₹200 per day (turnover-based) Not applicable Turnover-based percentage caps
GSTR-9C (reconciliation) ~₹200 per day (₹100 + ₹100) Not applicable Turnover-linked cap (commonly ₹50,000)
GSTR-10 (final return) ₹50 per day Not applicable Commonly up to ₹10,000
GSTR-11 (UIN) ₹50 per day Not applicable Commonly up to ₹10,000

Common Scenarios Where GST Late Fees Apply

GST late fees are charged whenever a taxpayer misses the due date for filing any required GST return. These fees apply across different types of filings, depending on the taxpayer’s filing frequency and the return type.

Missed monthly GSTR-3B filing

This is one of the most common reasons for late fees. If the monthly GSTR-3B is not filed by the due date, the late fee starts accumulating daily until the return is submitted.

Late filing of GSTR-1

GSTR-1 contains details of outward supplies. When businesses delay uploading their sales data, late fees apply from the next day after the deadline. This can also delay ITC for recipients, so timely filing is important.

Late filing under the QRMP scheme

Quarterly filers under the QRMP scheme may face late fees if they miss the quarterly GSTR-1 or GSTR-3B deadlines. Even though filing frequency is lower, the same late fee rules apply.

Delay in annual returns

Annual returns such as GSTR-9 or GSTR-9C also attract late fees if filed after the due date. Since these are large and detailed filings, delays are common, leading to higher accumulated fees.

Delay due to mismatch corrections

If a taxpayer waits too long to file a revised or corrected return, the original late filing still triggers the late fee. Errors or mismatches often cause taxpayers to delay filing, but the penalty continues to apply based on the original due date.

These scenarios show how easy it is for GST late fees to accumulate during regular compliance. Using a GST late fee calculator helps estimate charges early and avoid surprises when filing.

Tips to Avoid GST Late Fees

Avoiding GST late fees is mostly about staying organised and filing returns on time. A few simple practices can help ensure you never miss a deadline or end up paying unnecessary penalties.

Set timely reminders

Mark GST due dates on your calendar or set alerts on your phone. Monthly or quarterly reminders help prevent last-minute rush and missed filings.

Use automated GST filing tools

Automation reduces the chances of delays caused by manual work or oversight. Tools that track due dates, validate data and help you file quickly can significantly lower the risk of penalties.

Maintain proper bookkeeping

Keeping your purchase and sales records updated makes GST filing smoother. When your books are accurate, you can prepare returns faster and avoid delays caused by missing information.

Reconcile monthly

Regular reconciliation of invoices, ITC and ledger balances ensures your return is ready on time. Monthly checks avoid last-minute corrections that often lead to late filing.

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Frequently Asked Questions

What is the maximum GST late fee?
The maximum GST late fee depends on the type of return and the category of taxpayer. For most regular taxpayers, the late fee is capped at 5,000 in total for a single return period, split equally between CGST and SGST. NIL returns have a much lower cap to reduce the burden on small taxpayers.
Is late fee different from interest?
Yes, late fee and interest are two different charges. Late fee is a fixed per-day penalty for filing the return after the due date. Interest is charged on the outstanding tax amount when the payment is made late, usually at 18 percent per year. A taxpayer may need to pay both if the filing and payment are delayed.
Can GST late fees be waived?
Late fees can be waived only when the government issues a special amnesty scheme or notification. These schemes temporarily reduce or waive fees for certain periods to help taxpayers become compliant. In normal situations, late fees cannot be waived.
How do I pay my late fees?
Late fees are paid through your GST portal while filing the return. The system automatically calculates the amount and adds it to the liability section. Once paid, it gets reflected in your electronic liability register.
Why is my late fee still showing after payment?
If the late fee still appears after payment, it may be due to a portal sync delay or pending returns for earlier periods. Sometimes the GST system recalculates late fees if additional delays are detected. Refreshing the ledger or checking previous pending filings usually resolves the issue.
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