GST Calculator 2026 Calculate GST Online Free India | CGST, SGST, IGST

GST Calculator Calculate GST Amount Instantly

Goods and Services Tax (GST) is India's biggest tax reform, applicable on almost all goods and services. Our free GST calculator helps businesses, accountants, and consumers calculate GST amounts instantly. Whether you need to add GST to a product price or find GST included in a total, our tool provides accurate results.

Understanding GST Components

GST comprises three components: CGST (Central GST), SGST (State GST), and IGST (Integrated GST). For intra state transactions, GST is split equally between CGST and SGST. For inter-state transactions, only IGST is applicable.

GST Rates in India 2026

• 0%: Essential items like fresh vegetables, milk, education, healthcare
• 5%: Household necessities like sugar, tea, coffee, edible oil
• 12%: Processed foods, computers, mobile phones
• 18%: Most services, electronics, restaurants
• 28%: Luxury items, automobiles, tobacco, aerated drinks

How to Calculate GST from Total Amount

GST Inclusive to Exclusive: If total price is ₹1,180 with 18% GST, then base price = 1180 / 1.18 = ₹1,000, GST = ₹180. Our calculator does this automatically.

GST Calculator for Business Owners

Business owners use GST calculator daily for invoicing, pricing, and tax filing. Calculate GST payable, input tax credit, and net tax liability accurately. Essential for GST returns (GSTR-1, GSTR-3B) filing.