India has 4 GST slabs: 5% (essential goods like food items), 12% (standard goods), 18% (most services and products), 28% (luxury/sin goods). Some items are 0% exempt.
How to add 18% GST to a price? ▾
Multiply the base price by 1.18. Example: ₹1000 × 1.18 = ₹1180. GST amount = ₹180. This calculator does it instantly for any amount and rate.
What is CGST and SGST? ▾
For sales within a state, GST splits equally into CGST (Central) and SGST (State). For 18% GST: CGST = 9%, SGST = 9%. For interstate sales, full amount becomes IGST.
How to remove GST from a price? ▾
Divide the inclusive price by (1 + rate/100). Example: ₹1180 ÷ 1.18 = ₹1000 base price. Use the "Remove GST" option in this calculator.