GST Calculator

GST Calculator — Calculate GST Inclusive and Exclusive Amounts Instantly

Goods and Services Tax is woven into almost every commercial transaction in India. Whether you are a business owner raising invoices, a buyer trying to understand what you are actually paying, an accountant reconciling accounts, or a freelancer billing a client, getting the GST figures right is not optional.

An error in the GST amount on an invoice can create discrepancies in your tax filings and complicate input tax credit claims. This calculator eliminates the arithmetic so you always have the correct figures.

How GST Works in India

GST replaced multiple indirect taxes like VAT, Service Tax, and Excise Duty with a unified system introduced on 1 July 2017.

• Collect tax on sales (output)
• Pay tax on purchases (input)
• Pay the difference to the government

GST Rates

• 0% – Essential goods
• 0.25% – Rough stones
• 3% – Gold, silver, jewellery
• 5% – Packaged food, transport
• 12% – Processed goods
• 18% – Most goods/services
• 28% – Luxury goods

Exclusive vs Inclusive GST

Exclusive: GST is added on top of base price.

Inclusive: GST is already included in total price.

Transaction Types

• Intra-State: CGST + SGST
• Inter-State: IGST

Input Tax Credit

Businesses can claim GST paid on purchases if it matches supplier filings (GSTR-1 & GSTR-2B). Even small errors can cause issues.

Tips

• Show CGST & SGST separately
• Verify GST rate using HSN/SAC
• Don’t mix multiple GST slabs
• Keep base & GST amounts separate

Disclaimer: GST rules may change. Always verify with official sources or a tax professional.