GST Calculator
Free · Live calculation · Your data stays in your browser
GST Details
Add or remove GST quickly
Calculation Mode
GST Rate
18%: Most services, electronics, restaurants
Total Amount
₹1,180.00
Includes ₹180.00 GST at 18%
Base Price
₹1,000.00
GST (18%)
₹180.00
Total
₹1,180.00
GST Split (Intra-State)
For supply within same state
CGST (9%)
₹90.00
Central govt share
SGST (9%)
₹90.00
State govt share
For inter-state supply, the entire 18% would be IGST (single tax).
Insight
After adding 18% GST, your total becomes ₹1,180.00. The seller will collect this from you and remit GST to the government.
Pro Tip
- •For inter-state supply, GST is charged as single IGST (no CGST/SGST split).
- •For intra-state, GST is split equally between CGST and SGST.
- •Businesses with turnover above ₹40L must register for GST.
- •B2B businesses can claim Input Tax Credit (ITC) on GST paid.
What is GST Calculator?
GST (Goods and Services Tax) is India's indirect tax replacing multiple central and state taxes. Introduced in July 2017, GST has 5 slab rates: 0%, 5%, 12%, 18%, and 28%. This calculator helps you instantly add GST to a base price (exclusive) or extract GST from a total price (inclusive). It also splits GST into CGST and SGST for intra-state transactions.
How to Use
- 1Choose mode: Add GST (exclusive) or Remove GST (inclusive)
- 2Enter the amount in rupees
- 3Select the GST rate (0%, 3%, 5%, 12%, 18%, or 28%)
- 4Get instant breakdown of base price, GST amount, and total
- 5See CGST/SGST split for same-state transactions
Formula
Add GST: Total = Amount × (1 + GST/100)
Remove GST: Base = Amount / (1 + GST/100)
CGST = SGST = Total GST / 2 (for intra-state)Frequently Asked Questions
CGST (Central GST) and SGST (State GST) apply to intra-state transactions, splitting the tax equally between center and state. IGST (Integrated GST) applies to inter-state transactions and is collected by the central government, then shared with states.