How do I remove GST from a price?

Original price = GST-inclusive price / (1 + GST rate/100). For 18% GST: Price = Total / 1.18.

What are the GST slabs in India?

The four main GST slabs are 5%, 12%, 18%, and 28%. Essential items are taxed at lower rates.

What is CGST and SGST?

For intra-state transactions, GST is split equally into CGST (Central) and SGST (State). For inter-state, IGST applies.

How to Calculate GST

GST (Goods and Services Tax) is an indirect tax levied on the supply of goods and services. Knowing how to calculate GST is essential for businesses and consumers.

GST Calculation Formula

GST Amount = Price × (GST Rate / 100)

Where:

GST Amount = Tax amount to be paid
Price = Original price before GST (or net price)
GST Rate = Applicable GST rate (5%, 12%, 18%, or 28%)

Step-by-Step:

1
Identify the base price
Determine the price before GST.
2
Know your GST rate
Check the applicable GST slab for the product/service.
3
Calculate GST
Multiply base price by GST rate / 100.
4
Get final price
Add GST amount to base price for total.

Worked Examples:

18% GST on ₹1,000 item

Price: ₹1,000GST Rate: 18%

Result: GST = ₹180, Total = ₹1,180

GST = 1000 × 18/100 = ₹180