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Goods & Services Tax Engine

GST Calculator Online

Compute 5%, 12%, 18%, and 28% tax slabs in both GST Inclusive and Exclusive formats with instant CGST and SGST breakdown.

₹ 10,000
₹
18%
%

GST Tax Summary

GST Exclusive (18%)
Total Invoice Amount: ₹ 11,800
Net Amount (Base Price): ₹ 10,000
Total GST Tax Amount: ₹ 1,800
CGST (Central Tax - 50%): ₹ 900
SGST / UTGST (State Tax - 50%): ₹ 900
IGST (Inter-State Tax - 100%): ₹ 1,800
Tax Rule: For intra-state supply, GST is split equally into CGST & SGST (50% each). For inter-state supply, the entire tax is levied as IGST.

Frequently Asked Questions

1. What is the mathematical formula for calculating GST Exclusive price?
GST Amount = (Original Cost × GST%) / 100. Total Net Price = Original Cost + GST Amount.
2. What is the mathematical formula for calculating GST Inclusive price?
GST Amount = Gross Amount - [Gross Amount × (100 / (100 + GST%))]. Net Base Amount = Gross Amount - GST Amount.
3. What are the common items in 5%, 12%, 18%, and 28% GST slabs in India?
5% covers essential groceries and apparel; 12% includes processed foods and business computers; 18% covers IT services, banking, software, and industrial items; 28% applies to luxury automobiles, high-end electronics, and aerated beverages.