GST Interest & Late Fee Calculator for Indian Businesses
Understand how GST interest and late fees are calculated and use a ready-to-use Excel calculator to estimate delay costs for GSTR-1, GSTR-3B, tax payment delays, and return filing defaults.
PDF + EXCEL
Interest & Late Fee Calculator
How interest and late fees are calculated plus an Excel calculator for estimation.
About the Calculator & Guide Bundle
Delaying GST return filing attracts both a daily late fee and interest under Section 50 on outstanding tax balances. This calculator helps CAs and business owners calculate delay costs instantly.
GST Interest Guide
Details the Section 50 net cash interest rules — calculate interest only on cash payments at 18% p.a.
Late Fee Calculator
Provides daily delay fee rates for both nil (₹20/day) and taxable (₹50/day) returns.
Net Liability Formula
Pre-configured Excel formulas compute the net tax paid in cash to determine the interest base.
Filing Delay Tracker
Computes total delay days automatically after you input the due date and actual filing date.
Who is this Calculator For?
MSME Owners
Accountants
Tax Professionals
Finance Managers
Download the Free GST Interest & Late Fee Calculator
Get a practical PDF + Excel bundle to understand GST interest and late fee rules and estimate payable amounts for delayed GST return filing or tax payment.