Free Online GST Calculator
Calculate GST on prices in seconds. Add GST to an amount or remove GST from a tax-inclusive price. View the taxable amount, GST amount, CGST, SGST and IGST estimates with this GST Calculator for India.
Calculate GST Amount
Enter the amount, select a GST rate and choose whether to add GST or remove GST from the entered price.
GST Calculation Result
| Taxable Amount | ₹0.00 |
|---|---|
| CGST | ₹0.00 |
| SGST | ₹0.00 |
| IGST | ₹0.00 |
| Total GST | ₹0.00 |
| Final Amount | ₹0.00 |
Your calculation will appear here after you click Calculate GST.
What Is a GST Calculator?
A GST Calculator is an online tool that helps estimate the Goods and Services Tax on a taxable amount. It can calculate the GST amount added to a price or work backwards from a price that already includes GST to estimate the original taxable value.
The SarvSeva.com GST Calculator is designed for quick estimates. Select a rate, enter an amount and choose Add GST or Remove GST. The result displays the base amount, total tax and an indicative CGST-SGST or IGST breakdown according to the selected transaction type.
How to Calculate GST
Adding GST to an Amount
When GST is added to a taxable amount, use the following formulas:
Final Price = Taxable Amount + GST Amount
For example, if the taxable amount is ₹1,000 and the selected rate is 18%, the GST amount is ₹180 and the total price is ₹1,180.
Removing GST from an Inclusive Price
If a price already includes GST, simply subtracting the GST percentage from the total is not the correct reverse calculation. Instead, use:
GST Amount = Inclusive Price − Taxable Amount
For example, a price of ₹1,180 including 18% GST represents a taxable value of ₹1,000 and GST of ₹180, before any applicable rounding.
Difference Between CGST, SGST and IGST
CGST and SGST
For an eligible intra-state supply, Central GST (CGST) and State GST (SGST) are generally applied together. For example, where a total GST rate of 18% applies, the indicative split is 9% CGST and 9% SGST. The exact tax treatment depends on the applicable rules and transaction.
IGST
Integrated GST (IGST) generally applies to eligible inter-state supplies. If the total GST rate is 18%, the illustrative IGST amount is calculated at 18% of the taxable value. Use the correct transaction classification when preparing an actual invoice or tax return.
Common GST Rates
This calculator includes selectable rates such as 0%, 0.25%, 3%, 5%, 12%, 18% and 28% for calculation purposes. These are not a declaration that any particular product or service falls under a given rate. Applicable GST rates, exemptions and classifications depend on the specific supply and current official rules.
Benefits of Using an Online GST Calculator
- Calculate the GST amount without doing the arithmetic manually.
- Estimate the final price after adding GST.
- Work out the taxable amount from a GST-inclusive price.
- View an indicative CGST, SGST or IGST breakdown.
- Copy or print the calculation for reference.
- Use the tool on a phone, tablet or computer.
Frequently Asked Questions
1. Is this GST Calculator free?
Yes. You can use this calculator without creating an account or paying a tool fee.
2. How do I add GST to a price?
Enter the taxable amount, select the GST rate and click Add GST or Calculate GST to see the tax and final price.
3. How do I remove GST from the final price?
Enter the price that already includes GST, select the applicable rate and choose Remove GST to estimate the taxable amount and tax component.
4. What is the difference between CGST and SGST?
For eligible intra-state supplies, CGST and SGST are generally charged together, with the applicable total rate split between them.
5. When is IGST used?
IGST generally applies to eligible inter-state supplies. The correct treatment depends on the nature and place of supply.
6. Can I use the result for an official GST return?
This is a general calculation tool, not tax filing software. Confirm the classification, rate, exemptions and rounding rules before preparing invoices or returns.