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GST Calculator

Calculate GST both ways: add tax to a base price or extract the tax already included in a total. Shows the CGST/SGST split and the net amount instantly.

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How to use the GST Calculator

  1. 1Enter the amount.
  2. 2Choose whether the amount is exclusive or inclusive of GST.
  3. 3Pick the GST rate.
  4. 4Read the tax amount, CGST/SGST split and net total.

Worked examples

Real figures, so you can see what the GST Calculator produces before you start.

Adding GST to a consulting fee

A Bengaluru consultant quotes 50,000 for a project and needs the GST-inclusive figure to put on the invoice.

Amount
50,000
GST rate
18%
Mode
Add GST
Supply
Within state

Result. Tax of 9,000, split as CGST 4,500 and SGST 4,500, for an invoice total of 59,000.

Frequently asked questions

What GST rates does this support?+

The standard Indian slabs (0%, 5%, 12%, 18% and 28%) plus a custom rate.

How is CGST and SGST calculated?+

For intra-state supply the GST is split equally into CGST and SGST, each half of the total GST.