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GST Calculator

Calculate GST for all slabs — inclusive & exclusive modes with CGST/SGST/IGST split

tuneGST Details
Amount (₹)
₹
Enter the base or total amount
GST Rate
Calculation Type
Exclusive — GST added on top of entered amount
Transaction Type

functions GST Formulas

Exclusive: GST = Amount × Rate / 100

Inclusive: Base = Amount × 100 / (100 + Rate)

Intra-state: CGST = SGST = GST / 2 | Inter-state: IGST = GST

GST Amount
₹—
—
Total (GST-inclusive)
₹—
Pre-GST + Tax
Pre-GST Amount
₹—
Base taxable value
GST Rate Applied
—
Tax slab
CGST (Central)
₹—
50% of GST
SGST (State)
₹—
50% of GST
GST %
—%
Pre-GST Amount ₹—
GST Amount ₹—

What is a GST Calculator?

GST (Goods and Services Tax) replaced multiple indirect taxes in India in 2017. It has four main slabs: 5%, 12%, 18%, and 28%. When a business sells goods or services, it adds GST on top of the base price — the buyer pays the GST-inclusive price.

For intra-state transactions, GST is split equally between CGST and SGST (e.g., 18% GST = 9% CGST + 9% SGST). For inter-state transactions, IGST applies at the full rate. This calculator handles both inclusive and exclusive calculations across all GST slabs.

lightbulb Example Calculation
Scenario: Samsung LED TV, base price ₹35,000, GST 28% (intra-state)
1GST = ₹35,000 × 28% = ₹9,800
2Total = ₹35,000 + ₹9,800 = ₹44,800
3CGST (14%) = ₹4,900 | SGST (14%) = ₹4,900
✓ Customer pays ₹44,800 | CGST ₹4,900 + SGST ₹4,900 deposited with govt.
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Frequently Asked Questions

GST explained for Indian businesses and consumers

What are the main GST slabs in India?
GST has four main slabs: 5% (essential goods — packaged food, medicines), 12% (processed food, computers), 18% (most services, electronics, restaurants), and 28% (luxury goods — cars, tobacco, aerated drinks). Many essentials like fresh vegetables, milk, and health services are at 0% (exempt).
What is the difference between CGST, SGST, and IGST?
For intra-state (same state) transactions, GST is split equally between CGST (central, 50%) and SGST (state, 50%). For inter-state transactions, the full GST is collected as IGST by the central government and later shared with the destination state.
Who is required to register for GST?
Businesses with annual turnover above ₹40 lakh (goods) or ₹20 lakh (services) must register. Mandatory registration regardless of turnover: e-commerce sellers, inter-state suppliers, reverse charge recipients, and businesses making TCS/TDS deductions under GST.

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