Tax
Add GST to a price, or take it back out of a price that already includes it. A sale inside the state splits into CGST and SGST. A sale to another state is IGST.
Finfod Research DeskUpdated 1 Nov 2026How we check
GST₹1,800
Rates in force from 22 September 2025. 3% is the rate on gold and gold jewellery. 0.25% is rough diamonds. 1.5% is other diamonds. 28% is tobacco and pan masala.
Amount with GST
GST at 18% is ₹1,800. The amount before GST is ₹10,000. The amount with GST is ₹11,800.
The amount you typed
18%
Before GST, plus GST
A sale inside the state. The two parts add up to the GST.
The link keeps the numbers on this page.
Sources: Integrated GST rate notification in force from 22 September 2025
To add GST, the tax is the amount times the rate, rounded to the nearest rupee. The gross price is the amount plus that tax. To remove GST, the amount before tax is the gross price times 100, divided by 100 plus the rate, again to the nearest rupee. GST is what is left.
Inside one state, the tax is split into CGST and SGST. They add up to the same GST. If the rupees do not split evenly, one side takes the extra rupee. A sale to another state keeps the whole tax as IGST.
The buttons are 0%, 0.25%, 1.5%, 3%, 5%, 18%, 28% and 40%. 0% is the nil rate. 5% and 18% are the rates most goods use. 40% is the short higher list. Gold, silver and gold jewellery are at 3%. Rough diamonds are at 0.25%. Other diamonds are at 1.5%. Tobacco and pan masala stay at 28%.
Today’s gold price, before GST, is on gold rate today. Tax when you sell gold is a different question, covered in tax on gold.
₹10,000 before GST, inside the state. At 5%, GST is ₹500 and the gross price is ₹10,500. CGST is ₹250 and SGST is ₹250. At 18%, GST is ₹1,800 and the gross price is ₹11,800. At 40%, GST is ₹4,000 and the gross price is ₹14,000.
The other way: ₹11,800 already includes 18% GST. The amount before tax is ₹10,000, and IGST on a sale to another state is ₹1,800.
The personal loan EMI calculator adds 18% GST on the processing fee you type. Income tax on salary is a separate calculation, on the income tax calculator. GST tools sit with the rest of tax and salary.
This is an estimate for learning, not a tax invoice and not advice. Read the disclaimer.
Gold and gold jewellery are at 3% on this page. A making charge is a separate service. Type that amount on its own if you want GST on it. This page does not assume a rate for making charges.
The personal loan calculator adds 18% GST on the processing fee. That is how that page treats the fee. It is not a rule that every bank fee is 18%. Use the rate on your sanction letter.
EMI on a reducing or flat personal loan, with the processing fee, GST, the effective yearly cost and an early closure.
Old and new regime tax for FY 2026-27, with the rebate, surcharge and 4% cess.
How India taxes physical gold, jewellery, gold ETFs, digital gold and Sovereign Gold Bonds in FY 2026-27, with cess and Diwali 2026 examples.
