INDIAN GOODS & SERVICES TAX

GST Calculator India

Calculate GST amount, CGST, SGST, and IGST for any base or inclusive price. Supports itemized billing, discount deductions, and instant print-ready tax invoices.

GST Calculation Mode

Base Amount (Excluding Tax) (₹)

₹

GST Rate Slab (%)18% Standard

Supply Type

Intra-State

CGST (50%) + SGST (50%)

Inter-State

Integrated Tax (IGST 100%)

Optional: Add Quantity & Discount▾

Quantity

Discount (%)

Calculation Breakdown

Total Payable Amount

₹29,500.00

Twenty-Nine Thousand Five Hundred Rupees Only

Net Base Amount₹25,000.00

Total GST Tax (18%)₹4,500.00

Central GST (CGST - 9%)₹2,250.00

State GST (SGST - 9%)₹2,250.00

All Slabs Comparison for Current Amount

GST Slab	Applicable Goods / Services	Base Price	Tax Amount	Total Payable

GST Calculation Formula

1. To Add GST (Exclusive):

GST Amount = (Base Amount × GST Rate) / 100
Total Amount = Base Amount + GST Amount

2. To Remove GST (Inclusive / Reverse):

Base Amount = (Total Amount × 100) / (100 + GST Rate)
GST Amount = Total Amount - Base Amount

GST Rate Categories in India

0% (Nil): Fresh vegetables, milk, eggs, bread, salt, judicial papers.
5%: Packed foods, tea, spices, apparel below ₹1,000, railway tickets.
12%: Processed foods, computers, medicine, diagnostic equipment.
18%: IT services, software, banking, capital goods, restaurants.
28%: Luxury motor cars, cigarettes, pan masala, gaming consoles.