Indian GST
GST Calculator
Add GST to a taxable amount or reverse-calculate the base amount from an inclusive price.
Your GST summary will appear here
Enter an amount, choose a GST rate and select whether to add or remove GST.
Tutorial
GST Calculator Tutorial
This tool adds GST to a taxable value or removes GST from an inclusive price to find the base taxable amount.
How to use
- Enter the amount.
- Choose the GST rate.
- Select Add GST or Remove GST.
- Click Calculate GST to see taxable value, CGST, SGST and invoice total.
Example
If you enter Rs. 1000 with 18% in Add GST mode, the total becomes Rs. 1180.
Tips
- Use Remove GST when the entered amount already includes tax.
- CGST and SGST are shown as equal halves of the GST amount.
Benefits
Quickly prepares GST breakup for invoices and estimates.
Reduces calculation mistakes when adding or removing tax.
Shows taxable value, CGST, SGST and total in one place.
Frequently asked questions
This tool adds GST to a taxable value or removes GST from an inclusive price to find the base taxable amount.
Yes. You can use this tool directly in the browser without creating an account.
Calculation history is not saved unless the site owner enables recent-calculation storage.