Calculator
Free GST Calculator
Calculate GST amount and total price (inclusive or exclusive).
₹
Net Amount (Base Price)₹0.00
Total GST (18%)+₹0.00
CGST (9.0%) : ₹0.00SGST (9.0%) : ₹0.00
Total Amount₹0.00
About this tool
The GST Calculator is a free, fast tool designed specifically for Indian businesses, freelancers, and consumers to easily calculate Goods and Services Tax.
Whether you need to add GST to a base price before invoicing a client, or you want to remove GST from a total bill to find out the original net price, this calculator handles the complex math instantly.
It supports all standard Indian GST tax slabs (3%, 5%, 12%, 18%, and 28%) and automatically provides a clear breakdown of the base amount, the total tax amount, and how that tax is split evenly between the Central Government (CGST) and the State Government (SGST).
How to use
Step 1: Enter the initial amount (price).
Step 2: Select the GST tax slab percentage (e.g., 5%, 12%, 18%, 28%).
Step 3: Choose whether to 'Add GST' (exclusive) or 'Remove GST' (inclusive) to see the final breakdown.
Frequently Asked Questions
To add GST: Multiply the base amount by the GST rate (e.g., 18%) and add it to the base. To remove GST from a total amount: Divide the total amount by (1 + GST Rate/100).
CGST stands for Central Goods and Services Tax, and SGST stands for State Goods and Services Tax. For intra-state sales, the total GST is divided equally between the two (e.g., 18% GST = 9% CGST + 9% SGST).
The primary GST tax slabs in India are 5%, 12%, 18%, and 28%. There is also a special 3% rate for gold and precious stones, and 0% for essential items.