18% GST Calculator
Calculate CGST (9%) + SGST (9%)
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What falls under 18% GST?
Most services (telecom, banking, IT), AC restaurants, construction materials, smartphones
CGST + SGST: 9% + 9%
IGST: 18% (for inter-state transactions)
Quick Examples (18% GST)
How to Calculate 18% GST
GST Amount = (Original Price × 18) ÷ 100
Total Price = Original Price + GST Amount
Example for 18% GST:
Original Price: ₹1,000
GST Amount: (1,000 × 18) ÷ 100 = ₹180
Total Price: ₹1,000 + ₹180 = ₹1180
Original Price: ₹1,000
GST Amount: (1,000 × 18) ÷ 100 = ₹180
Total Price: ₹1,000 + ₹180 = ₹1180
Why Calculate 18% GST?
- Accurate tax calculation for 18% slab
- Proper invoicing for B2B transactions
- Input Tax Credit eligibility
- GST compliance for registered businesses