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HomeToolsCalculatorsGST Calculator

GST Calculator

A GST calculator online for India helps you add or remove GST and split CGST/SGST or IGST by slab for quotes and invoices. This is a math helper — not tax advice. Confirm HSN classification and rates with official CBIC / GST portal guidance before filing.

Base

₹1000.00

GST

₹180.00

Total

₹1180.00

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What is a GST calculator online?

A GST calculator online for India helps you add or remove GST and split CGST/SGST or IGST by slab for quotes and invoices. This is a math helper — not tax advice. Confirm HSN classification and rates with official CBIC / GST portal guidance before filing.

Frequently asked questions

Is this GST calculator free?
Yes. Calculate India GST online with no signup. Confirm HSN rates with official CBIC guidance for filing.
Does it support CGST, SGST, and IGST?
Yes. Use intra-state splits (CGST + SGST) or IGST for inter-state style calculations depending on the options shown in the tool.

Sources

  • Central Board of Indirect Taxes and Customs (CBIC)
  • GST Portal (India)

How to use the GST calculator

  1. 1

    Enter amount

    Type the base price or GST-inclusive total.

  2. 2

    Choose slab

    Select the GST rate that applies to the supply.

  3. 3

    Add or remove GST

    Read CGST/SGST or IGST split and the final total instantly.