Online GST Calculator

Calculate CGST, SGST, and IGST for any transaction. Support for GST inclusive and exclusive calculations with standard Indian tax slabs.

GST Configuration

GST Breakdown

Net Amount (Base Price): ₹0.00
CGST (Central Tax): ₹0.00
SGST (State Tax): ₹0.00
IGST (Integrated Tax): ₹0.00
Total Amount (Gross Price): ₹0.00

Online GST Calculator - Add or Remove GST Instantly

Calculate your Goods and Services Tax (GST) easily with our online GST calculator. It helps business owners, tax advisors, and consumers calculate both GST inclusive (removing GST) and GST exclusive (adding GST) amounts in seconds. Supporting standard Indian tax slabs of 5%, 12%, 18%, and 28% as well as custom percentages, it is the most reliable tool for tax estimation.

The calculator splits intra-state transactions into CGST and SGST, and inter-state transactions into IGST, matching India's Destination-Based Tax System.

Key Reference & Specifications Table

Calculation ModeFormulaDescription
Add GST (Exclusive)GST Amount = (Base Price * GST Rate) / 100Calculates the tax amount to add on top of base cost.
Remove GST (Inclusive)Base Price = Final Price / (1 + (GST Rate / 100))Calculates the base price by removing the tax component.
CGST SplitCGST = GST / 2Central government portion on intra-state transactions.
SGST SplitSGST = GST / 2State government portion on intra-state transactions.

How to Use the Online Online GST Calculator

  1. Input the transaction amount in Indian Rupees (INR).
  2. Choose standard slabs (5%, 12%, 18%, 28%) or enter a custom rate.
  3. Select 'Add GST' to calculate taxes on base price, or 'Remove GST' to find base price from the total invoice value.
  4. Review the CGST, SGST, and IGST split details instantly.

Frequently Asked Questions (FAQs)

What are the current GST slabs in India?

India currently uses four primary tax slabs: 5% for essential goods, 12% for standard items, 18% for services and most items, and 28% for luxury/sin goods.

Are CGST and SGST always equal?

Yes, on intra-state sales, the GST rate is divided equally between the Central Government (CGST) and State Government (SGST).

What is the difference between GST inclusive and exclusive?

GST Inclusive means the price of the item already includes the tax amount. GST Exclusive means the price shown does not include tax, which will be added at checkout.

What is IGST and when is it applied?

Integrated GST (IGST) is applied to inter-state supply of goods and services (between different states or union territories) and is collected by the Central Government.

How is UTGST calculated?

Union Territory GST (UTGST) is applied instead of SGST in Union Territories without a legislature (like Andaman & Nicobar, Lakshadweep, Ladakh). It is equal to the CGST portion.

Can I calculate reverse charge tax with this tool?

Yes, by using the custom rates and selecting exclusive or inclusive modes based on your billing rules.

Who is liable to register for GST in India?

Businesses with an annual turnover exceeding ₹40 Lakhs (for goods) or ₹20 Lakhs (for services) are required to register for GST. Special category states have a lower limit of ₹10 Lakhs.

What is composition scheme under GST?

It is a simplified scheme for small businesses with turnover up to ₹1.5 Crore to pay tax at a flat rate of turnover and file quarterly returns.

What is input tax credit (ITC)?

ITC is the tax paid on purchases that a business can subtract from the tax liability on sales, reducing overall tax payment and avoiding double taxation.

Does this calculator store transaction data?

No. The calculator runs entirely client-side using JavaScript, ensuring your financial transaction data is private and secure.