How to use the GST Inclusive Calculator
- Enter the GST-inclusive price per unit and the quantity.
- Pick the GST rate that applies to the item.
- Choose intra-state or inter-state supply to see CGST/SGST or IGST.
Formula
Taxable value = Inclusive price × 100 ÷ (100 + Rate)
GST included = Inclusive price − Taxable value
What “inclusive of GST” means
An inclusive price is what the buyer pays in total. Retail MRPs in India are always inclusive of taxes. When you record such a sale in your books or on a tax invoice, you must show the taxable value and the GST separately — that is what this calculator gives you.
Read more in GST inclusive vs exclusive.
Worked example
An item sold for ₹5,900 including 18% GST
- Taxable value = 5,900 × 100 ÷ 118 = ₹5,000
- GST = 5,900 − 5,000 = ₹900 (₹450 CGST + ₹450 SGST)
₹5,000 taxable value + ₹900 GST
Important notes
- Taking the GST rate as a percentage of the inclusive price overstates the tax. At 18%, ₹5,900 × 18% = ₹1,062 — ₹162 too much.
Frequently asked questions
How much GST is included in ₹1,000 at 18%?
₹152.54. The taxable value is 1,000 ÷ 1.18 = ₹847.46, and the rest is GST.
Should I quote prices inclusive or exclusive of GST?
Consumers usually expect inclusive prices (and MRP must be inclusive). Business-to-business quotes are often exclusive, with GST added on the invoice. Whatever you choose, state it clearly on the quotation.
Sources and review
Last reviewed on by the BizToolsIndia editorial team. Official references:
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