GST calculator
Add GST to a price or take it out of a GST-inclusive price. See the CGST and SGST split for sales within your state, or IGST for other states.
- 100% free
- No sign-up
- Works on your phone
- Nothing you enter leaves your browser.
Use this often? Bookmark this page, or add it to your phone's home screen from the browser menu.
GST Calculator in 4 steps
- Enter the amountThe price of the product or service, in rupees.
- Pick the GST rate5%, 18% or 40%, or type another rate such as 3%, 12% or 28%.
- Add or remove GSTChoose whether your amount is before GST or already includes it.
- Choose the buyer's stateSame state shows CGST + SGST, another state shows IGST. Copy or share the result.
Current GST rates: since 22 September 2025 most goods and services are taxed at 5% or 18%, with 40% for a short list of luxury and sin goods. Some items are exempt, and a few have special rates, such as 3% on gold.
CGST, SGST or IGST? For a sale within your own state, GST is split equally into CGST and SGST. For a sale to another state, the full amount is IGST.
This calculator is for quick estimates. Always confirm the correct rate and HSN or SAC code for your product with your CA.
GST Calculator: questions
Something else? Ask us on WhatsApp. We usually reply within 2 working hours.
Ask on WhatsAppHow do I remove GST from a price?
Divide the GST-inclusive price by 1 plus the rate. For 18% GST: ₹1,180 ÷ 1.18 = ₹1,000 before GST, so the GST is ₹180. Choose Including GST in the calculator to do this automatically.
What are the GST rates in India now?
Since 22 September 2025 the main slabs are 5% and 18%, with 40% for selected luxury and sin goods. Some essentials are exempt and a few items have special rates. Older invoices may show 12% or 28%.
When do I charge IGST instead of CGST and SGST?
Charge CGST and SGST, split equally, when the buyer is in the same state as you. Charge IGST when the buyer is in a different state.
What is the GST rate on website design services?
Website design, development and most IT services are generally taxed at 18% GST. Confirm the SAC code with your CA.
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