A GST calculator in India is a valuable online financial tool that simplifies the process of calculating GST. It enables businesses and individuals to swiftly calculate the GST amount, ensuring compliance with Indian tax regulations.
Calculate your GST amount online.
GST calculation is made easier with this user-friendly GST calculator, your go-to solution for swift and accurate Goods and Services Tax calculations.
How to use a GST calculator Online?
With the help of a GST amount calculator, you can determine the tax to be paid in a few simple steps.
- Select GST Inclusive/GST Exclusive as per the requirement.
- Enter the original amount.
- Select the GST rate (now you don’t need to look for GST rate finder, this tool provides you with predetermined GST rates to choose from).
- Click on Calculate to check the result. The result will show the total and pre-GST/post-GST amounts as per your original requirement.
Amount
GST Amount
Total Amount
Understanding GST calculation methods.
A GST-inclusive amount is the total value of the product after including the GST amount in the original product value. In this, the tax is not charged separately from the customer.
A GST-exclusive amount is the value of the product after subtracting the GST amount from the GST-inclusive value of the product.

What are the various GST tax Types?
To understand how to calculate GST, you must know the types of GST tax heads applied. In the Goods and Services Tax (GST) system, tax heads categorise different transactions and commodities.
Integrated Goods and Services Tax (IGST)
IGST, under the tax regime, levied by the Central Government, is applied on the inter-state (transactions between states) supply of goods and services. It is governed by the IGST Act, where the Central Government is responsible for collecting the tax.
State Goods and Services Tax (SGST)
SGST is a tax applicable on intra-state transactions. It is levied by the State Government on the goods and services and is governed by the SGST Act. The revenue earned is collected by the respective state.
Central Goods and Services Tax (CGST)
CGST is a tax levied by the Central Government. It is a tax applicable on intra-state supplies (transactions within the same state). It is governed by the CGST Act, where the revenue earned is collected by the Central Government.
Union Territory Goods and Services Tax (UTGST)
The calculator crunches the numbers and delivers your ROI as a percentage. It reflects the profitability of your investment - a positive ROI indicates a gain, while a negative ROI signifies a loss
Here is a tabular difference between these four types of GST tax Types.
These taxes ensure that both the Central and State Governments earn a share in the revenue generated from the GST. Additionally, there are different GST rates for different categories of goods and services, such as 5%, 12%, 18%, and 28%, with some items being exempt or taxed at a nil rate.
| Types of GST | Collecting Authority | Benefiting Authority |
|---|---|---|
| IGST | Central Government | State Government and Central Government |
| SGST | State Government | State Government |
| CGST | Central Government | Central Government |
| UTGST | Union Territory (UT) Government | Union Territory (UT) Government |
What is the GST calculation formula?
With the simplification of the indirect taxation regime, the calculation of the applicable taxes has become much simpler. The GST rates applicable on the various goods or services can now be calculated, on the basis of the nature of the transaction – interstate or intrastate.



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