GST Calculator India
Calculate Goods and Services Tax for Indian businesses. Add or remove GST from any amount. Supports all GST slabs: 5%, 12%, 18%, and 28%. See CGST/SGST split for intra-state transactions.
GST Rates in India
India's GST uses multiple tax slabs based on product/service category. Most services and common goods fall under 18%.
GST Slab Categories
| Rate | Category | Examples |
|---|---|---|
| 0% | Essential/Exempt | Fresh vegetables, milk, education, healthcare |
| 5% | Basic Goods | Packaged food, footwear <₹1000, coal |
| 12% | Processed Goods | Processed food, mobile phones, computers |
| 18% | Standard (Most Common) | IT services, consulting, restaurants, telecom |
| 28% | Luxury/Sin Goods | Automobiles, aerated drinks, tobacco |
CGST, SGST, and IGST
- Intra-State (Same State): GST splits into CGST (Central) + SGST (State). Example: 18% GST = 9% CGST + 9% SGST
- Inter-State (Different State): Only IGST applies. Example: 18% GST = 18% IGST
- Total tax is same—just allocated differently for central/state revenue sharing
GST Registration Thresholds
- Goods: ₹40 lakhs annual turnover (₹20L for special category states)
- Services: ₹20 lakhs annual turnover
- E-commerce: Mandatory registration regardless of turnover
Monthly GST Returns
- GSTR-1: Outward supplies (due 11th of next month)
- GSTR-3B: Summary return (due 20th of next month)
- GSTR-9: Annual return (due December 31st)
Frequently Asked Questions
What are the GST slabs in India?
0% (essentials), 5% (basic items), 12% (processed goods), 18% (standard rate for most services), 28% (luxury and sin goods). Most services and common goods are taxed at 18%.
How do I calculate CGST and SGST?
For intra-state sales, GST splits equally: 18% GST = 9% CGST + 9% SGST. For inter-state sales, charge full IGST (18%). The total tax amount is the same—only the allocation differs.
When do I need to register for GST?
Mandatory if annual turnover exceeds ₹40 lakhs for goods (₹20L for special category states) or ₹20 lakhs for services. E-commerce sellers must register regardless of turnover.