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Made with ❤️ in India
Last updated: 2 May 2026
Home› Tools›GST Calculator
🧮

GST Calculator

Add or remove GST from any amount across all 4 tax slabs — with CGST and SGST breakdown included.

⚡ Instant Results🔒 No Signup Required✅ 100% Free Forever📱 Works on All Devices
Configure Your Calculation
₹10,000
₹100₹10 L
Live Results

Total Payable (incl. GST)

₹11,800
GST @ 18%
Split85%
Base Amount
₹10,000
GST Amount
₹1,800
Base Amount (pre-GST)₹10,000
Total GST (18%)₹1,800
CGST (9%)₹900
SGST / UTGST (9%)₹900

Results are indicative. Consult a financial advisor before making decisions.

📐 How It Works

GST = Base × 18% → Total = Base + GST

CGST and SGST are each half of the total GST for intra-state transactions. For inter-state, the full amount is IGST.

💡 Pro Tips

  • 15% slab: Essential goods (food, medicines). 12%: Processed food, mobiles. 18%: Most services. 28%: Luxury goods.
  • 2Input Tax Credit (ITC) lets GST-registered businesses offset tax paid on purchases.
  • 3Compositions scheme businesses pay flat 1–6% and cannot charge GST to customers.

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