GST Calculator Online India 
Professional-grade multi-item tax engine optimized for Bharat's GST structure.
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| Item Name | Base Value | Rate | Tax Amt | Total |
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How to use the GST Calculator Online India
Initialize: Select your supply type (Intra-state for local or Inter-state for cross-border transactions in Bharat).
Add Items: Use the "Add Item" button to create multiple rows for different products with varying GST slabs (5% to 28%).
Export: Review the granular tax breakdown and click "Save Pro PDF" for an audit-ready executive report.
Frequently Asked Questions
What is CGST and SGST?
CGST is the Central Tax and SGST is the State Tax collected on transactions within the same state in India.
When is IGST applied?
Integrated GST applies to interstate transactions or when goods are imported/exported into Bharat.
How does Reverse GST work?
Reverse calculation strips the tax from a total price to find the base taxable amount using the formula: Total / (1+R/100).
What are current GST slabs?
Standard slabs in 2026 include 5%, 12%, 18%, and 28%. Certain essential items carry a 0% rate.
What is an HSN Code?
The Harmonized System of Nomenclature is an international classification system used in India to identify goods for tax purposes.
Is this tool for GSTR filing?
It provides a draft breakdown. Always cross-check with the official GST portal for statutory filings.
How is UTGST used?
Union Territory GST is used in place of SGST for local transactions within Indian UTs without a legislature.
Can I use this on mobile?
Yes, OTechy tools are 100% mobile-responsive and optimized for high-speed performance.
Is PDF export free?
Absolutely. The professional audit PDF is a free feature for all OTechy users and MSMEs in Bharat.
Why multi-item support?
Real-world invoices often combine items with different tax rates. This tool calculates the cumulative total seamlessly.