GST Calculator Online Free (India)

Calculate GST inclusive and exclusive amounts for invoicing. Free online calculator — runs locally in your browser.

GST (Goods and Services Tax) in India applies at rates like 5%, 12%, 18%, and 28% depending on the product or service category. Invoices must show tax breakdown clearly for compliance.

Inclusive vs exclusive GST

  • Exclusive: GST added on top of base price
  • Inclusive: GST already embedded in the listed price
  • Use exclusive when quoting B2B before tax
  • Use inclusive for consumer-facing retail prices
Calculate GST