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GST Calculator India Online (Free)
Calculate GST in seconds. Choose the GST slab, enter the amount and instantly get the base price, GST amount, total price and the CGST/SGST split for invoices and billing.
How to use the GST Calculator India Online
- Enter the required values in the boxes above.
- Click the Calculate button.
- Read the result instantly below the button.
Frequently Asked Questions
How do I remove GST from a total price?
Base price = Total × 100 / (100 + GST rate). For example, ₹1180 at 18% GST has a base price of ₹1000.
What are CGST and SGST?
For sales within the same state, GST is split equally into CGST (central) and SGST (state). For inter-state sales, IGST is charged instead.
Is this tool free and is my data safe?
Yes, it is 100% free with no signup. Everything runs inside your browser, so your data or files are never uploaded to our server.