Simple & Precise
GST Calculator

Calculate CGST, SGST, and IGST instantly. Generate professional tax-compliant invoices and check HSN codes in one place.

INR

Calculation Result

Tax Breakdown

Net Amount

₹0

GST (18%)

+₹0

CGST (9%)

₹0

SGST (9%)

₹0

💡

Tax Insight

Standard service rate. ITC is fully available on B2B purchases.

Total Amount

₹0

Rupees Only

Informational tool only. All calculations follow Section 170 rounding rules of the CGST Act. Cross-verify with a tax professional before filing.

Supplier Audit Tool

GSTIN Snapshot

Instantly decode any GSTIN to verify its State, PAN, and Entity identity without external API calls.

Logic Powered • 38 States Covered
Verify on GST Portal

Law Compliance Notice: This decoder operates purely through offline string and pattern recognition of public GSTIN formatting standards. It does not access, scrape, or interfere with government servers or database systems. This tool is provided for educational and audit verification purposes as a secondary check.

Smart HSN Search

Find GST rates and HSN directory access instantly.

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GST Tool
Professional Tool

GST Invoice
Generator

Create tax-compliant GST invoices in seconds. Download professional PDFs for your clients instantly.

HSN Directory

HSN & SAC Codes

Search through thousands of codes and find exact GST rates for your business.

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Why Accurate GST Calculation Matters?

Filing incorrect GST returns can lead to heavy penalties and interest. Our calculator uses the latest 2026 tax formulas to ensure your CGST, SGST, and IGST computations are precise to the last decimal. Whether you are adding tax to a base price or extracting tax from an inclusive total, accuracy is our top priority.

Compliance isn't just about numbers; it's about transparency. Professional invoices with correct HSN codes and tax bifurcations build trust with your clients and streamline your GSTR-1 and GSTR-3B filing process. We bridge the gap between complex tax laws and your daily business operations.

100%

Mathematical Precision

Updated

For FY 2025-26

Free

Forever for Small Business

Understanding GST in
India (2026)

The Goods and Services Tax (GST) is an indirect tax used in India on the supply of goods and services. It is a comprehensive, multi-stage, destination-based tax: comprehensive because it has subsumed almost all the indirect taxes except a few state taxes. For a business or a freelancer in India, navigating GST is an essential aspect of compliance.

CGST

Collected by Central Government on intra-state sales.

SGST

Collected by State Government on intra-state sales.

IGST

Collected for inter-state sales across state borders.

Tax Slabs for 2026

The GST council categorizes products and services into primary tax slabs: 5%, 12%, 18%, and 28%. Essential items often fall under the exempted category (0%), while necessary goods typically see lower bounds of 5% or 12%. Premium or luxury goods attract the highest 28% bracket alongside additional cess in some cases.

Using the GST Calculator

Calculating reverse calculations to find the base value of an item or generating the final invoice number can involve tedious arithmetic. The mathematical formula for adding GST is `Amount + (Amount x (Rate/100))`, while removing GST requires the formula `Amount - (Amount x (100 / (100 + Rate)))`.

Our GST Calculator eliminates manual errors, allowing professionals to compute CGST, SGST, inter-state IGST, and Reverse Charge Mechanisms (RCM) within fractions of a second.

Frequently Asked Questions

Common Queries

Everything you need to know about our GST calculations.

Modern Financial Workspace - GST Calculator Precision

Precision Tools

Designed for
Scale.

Verified calculations you can trust for every transaction.

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