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🧾GST Calculator

Calculate Indian GST inclusive and exclusive.

🆓 Free🔒 Secure⚡ Instant📱 Mobile-friendly🚫 No signup

Calculate GST (Goods and Services Tax) online for free. Add or remove GST at 5%, 12%, 18%, 28% rates.

How to Use GST Calculator — Step by Step

  1. 1Enter the base amount (before GST) or the GST-inclusive amount
  2. 2Select the GST rate — 5%, 12%, 18%, or 28%
  3. 3Click 'Calculate' — GST amount and final price are both shown
  4. 4Toggle between adding GST and extracting GST from a total

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Frequently Asked Questions

What GST rates are available?

The standard Indian GST rates are pre-loaded: 0%, 5%, 12%, 18%, and 28%. You can also enter a custom rate.

What is the difference between inclusive and exclusive GST?

Exclusive: GST is added on top of the base price. Inclusive: The price already includes GST and you need to extract the GST component.

Does it handle CGST and SGST separately?

Yes. GST is shown split into CGST (50%) and SGST (50%) components for intra-state supplies, and as IGST for inter-state.

Is it free?

Yes — completely free.