How to calculate GST amount?

GST Amount = (Base Price × GST Rate) / 100. Total Price = Base Price + GST Amount. Example: Base price ₹10,000, GST 18% → GST = ₹1,800, Total = ₹11,800. For inclusive price: Base = Total × 100 / (100 + GST Rate).

What is the GST rate on gold in India?

GST rate on gold jewellery = 3%. Making charges: 5% GST. So for ₹1 lakh gold jewellery with ₹10,000 making charge: GST = ₹3,000 + ₹500 = ₹3,500 total GST.

What is CGST and SGST?

GST is split equally between Centre and State: CGST (Central GST) = 50% of GST, SGST (State GST) = 50% of GST. For intrastate supply: both apply. For interstate supply: IGST (Integrated GST) = full GST to Centre. Example: 18% GST = 9% CGST + 9% SGST.

GST Calculator India 2026 — Calculate GST Online Free

🧾 GST Calculator — Calculate GST Online 2026

Move sliders or type values. Results update instantly.

Amount (₹)

₹

GST Rate

Type

GST Breakdown

GST Amount₹0

Base Amount₹0

Total (with GST)₹0

CGST (50% of GST)₹0

SGST (50% of GST)₹0

Base 82%

GST 18%

GST Rates in India — Complete List 2026

GST Rate	Category	Common Items
0% (Exempt)	Essential goods	Fresh vegetables, milk, eggs, bread, salt, books, newspapers
5%	Basic necessities	Packed food, coffee, tea, edible oil, medicines, domestic LPG
12%	Standard goods	Processed food, mobile phones, computers, business class air travel
18%	Most goods & services	Restaurants, IT services, electronics, telecom, banking fees, insurance
28%	Luxury goods	Cars, motorcycles, tobacco, pan masala, aerated drinks, casinos
3%	Special	Gold, silver jewellery, diamonds

GST Calculator for Business — Delhi, Mumbai, Bangalore

If you run a business in Delhi, Mumbai, or Bangalore and supply goods/services within the same state: both CGST and SGST apply equally. For interstate supply (e.g., Delhi to Bangalore): only IGST applies at full rate. Use this calculator to quickly compute invoice GST amounts.

Frequently Asked Questions

Who needs GST registration? +

Mandatory GST registration if annual turnover exceeds ₹40 lakh (goods) or ₹20 lakh (services). For special category states: ₹20 lakh (goods) and ₹10 lakh (services). Also mandatory for interstate supply, e-commerce sellers, and those required to pay under reverse charge mechanism.

What is GST on home purchase? +

GST on under-construction property: 5% (without ITC) for regular housing, 1% for affordable housing (up to ₹45 lakh). GST on ready-to-move property (with OC): 0% (no GST). GST on commercial property: 12%.