How do I add GST to a price?

To add GST, multiply the amount by the GST rate and divide by 100. Then add that GST amount to the original amount.

How do I remove GST from a total amount?

To remove GST, divide the total amount by 1 plus the GST rate divided by 100. The difference between total and base amount is the GST amount.

What is the difference between CGST, SGST and IGST?

CGST and SGST are usually applied on intra-state sales and are split equally. IGST is generally applied on inter-state sales.

Which GST rates are common in India?

Common GST rates in India include 5%, 12%, 18%, and 28%, depending on the type of goods or services.

GST Calculator India (2026) – Add, Remove GST + CGST SGST Split

Advanced GST Calculator

Enter your amount, choose GST mode, and get instant breakdown.

Calculation Type

Amount (₹)

Tax Structure

Select GST Rate

Business / Customer Name (optional)

Tip: Add GST means tax will be added over base price. Remove GST means tax-inclusive amount se base price nikalega.

What is GST in India?

GST stands for Goods and Services Tax. It is an indirect tax applied to goods and services in India. Common GST slabs include 5%, 12%, 18%, and 28%. This GST calculator helps you quickly add GST to a base amount or remove GST from a tax-inclusive amount.

How to Use This GST Calculator

Enter the amount, choose whether you want to add GST or remove GST, select the tax structure, and pick the GST rate. The calculator instantly shows the base amount, GST amount, and final payable amount.

GST Rates in India

GST Rate	Common Use	Example Split
5%	Essential or lower-tax goods/services	2.5% CGST + 2.5% SGST
12%	Selected goods and services	6% CGST + 6% SGST
18%	Most commonly used GST rate	9% CGST + 9% SGST
28%	Luxury or higher-tax items	14% CGST + 14% SGST

GST Formula

To Add GST: GST Amount = Base Amount × GST Rate ÷ 100

Final Amount: Base Amount + GST Amount

To Remove GST: Base Amount = Total Amount ÷ (1 + GST Rate ÷ 100)

GST Amount: Total Amount - Base Amount

CGST, SGST and IGST Explained

For intra-state sales, GST is usually split into CGST and SGST equally. For inter-state sales, IGST is generally applied as a single tax amount. This calculator supports both formats.

Frequently Asked Questions

18% is commonly used for many goods and services in India.

Yes. Choose “Remove GST” and enter the tax-inclusive total amount.

Yes. Choose the IGST option under Tax Structure.

Yes. Select “Custom” and enter any GST rate you want.

Yes, this online GST calculator is completely free.