GST Calculator
Calculate GST with different tax rates and get CGST/SGST breakdown
What Is a GST Calculator?
A GST calculator helps you find the tax amount on goods and services. It breaks down the total tax into CGST and SGST. Use it for billing, invoicing, and tax calculations for businesses. The calculator supports both exclusive and inclusive GST calculations.
How to Use
- Enter the amount of the product or service
- Select the GST rate (3%, 5%, 12%, 18%, or 28%)
- Choose between Exclusive (GST added to price) or Inclusive (GST already included)
- Click "Calculate GST" to see the tax breakdown
GST Formula
Exclusive GST:
GST Amount = (Base Amount × GST Rate) / 100
Total = Base Amount + GST Amount
Inclusive GST:
GST Amount = (Total × GST Rate) / (100 + GST Rate)
Base Amount = Total - GST Amount
CGST = GST Amount / 2
SGST = GST Amount / 2
Example
GST Calculation
Amount: ₹10,000
GST Rate: 18%
GST Amount: ₹1,800
CGST: ₹900 | SGST: ₹900
Total Amount: ₹11,800
Use it for accurate billing and tax compliance.
Worked Examples
Product - 18% GST
Amount: ₹10,000
Rate: 18%
Type: Exclusive
GST: ₹1,800
Total: ₹11,800
CGST: ₹900 | SGST: ₹900
A product costing ₹10,000 with 18% GST. GST amount is ₹1,800 and the final price is ₹11,800.
Service - 18% GST (Inclusive)
Amount: ₹11,800
Rate: 18%
Type: Inclusive
GST: ₹1,800
Total: ₹11,800
CGST: ₹900 | SGST: ₹900
A service billed at ₹11,800 (including 18% GST). The GST amount is ₹1,800 and the base price is ₹10,000.
Luxury Item - 28% GST
Amount: ₹50,000
Rate: 28%
Type: Exclusive
GST: ₹14,000
Total: ₹64,000
CGST: ₹7,000 | SGST: ₹7,000
A luxury item costing ₹50,000 with 28% GST. GST is ₹14,000 making the total ₹64,000.
Essential Item - 5% GST
Amount: ₹5,000
Rate: 5%
Type: Exclusive
GST: ₹250
Total: ₹5,250
CGST: ₹125 | SGST: ₹125
An essential item with 5% GST. Low tax rate makes essential goods affordable.
Restaurant Bill - 5% GST
Amount: ₹2,000
Rate: 5%
Type: Exclusive
GST: ₹100
Total: ₹2,100
CGST: ₹50 | SGST: ₹50
Most restaurants charge 5% GST (without input credit). A ₹2,000 bill has ₹100 GST.
Construction - 12% GST
Amount: ₹1,00,000
Rate: 12%
Type: Exclusive
GST: ₹12,000
Total: ₹1,12,000
CGST: ₹6,000 | SGST: ₹6,000
Real estate and construction services typically have 12% GST. On ₹1,00,000, GST is ₹12,000.
Frequently Asked Questions
What is GST?
GST (Goods and Services Tax) is a comprehensive indirect tax levied on the supply of goods and services in India. It has replaced multiple indirect taxes like VAT, excise duty, and service tax.
What are the GST rates in India?
The main GST rates in India are 0%, 3%, 5%, 12%, 18%, and 28%. Most goods and services fall under the 18% bracket. Luxury items are taxed at 28%, while essential items have lower rates.
What is the difference between CGST and SGST?
CGST (Central GST) is collected by the central government, while SGST (State GST) is collected by the state government. For intra-state transactions, both are charged equally, each being half of the total GST rate.
What is IGST?
IGST (Integrated GST) is charged on inter-state transactions and imports. It is collected by the central government and then distributed between the central and state governments.
What is the difference between exclusive and inclusive GST?
Exclusive GST means the GST amount is calculated on top of the base price. Inclusive GST means the GST is already included in the price, and you need to find the base price by removing the GST component.
How is GST calculated?
GST is calculated as: GST Amount = (Base Amount × GST Rate) / 100. For exclusive GST: Total = Base + GST. For inclusive GST: GST Amount = (Total × GST Rate) / (100 + GST Rate), Base = Total - GST.
Do I need to pay GST on all products?
No, certain essential items like fresh fruits, vegetables, and some food items have 0% GST. Some items are also exempted from GST based on government notifications.
What is the GST composition scheme?
The composition scheme is for small businesses with turnover up to ₹1.5 crore. They pay GST at a fixed rate (1% for traders, 5% for restaurants, 6% for manufacturers) without input tax credit.
Conclusion
GST is an essential tax for businesses in India. Use this GST calculator to quickly compute tax amounts, generate accurate invoices, and ensure compliance with tax regulations. Whether you're a business owner or a consumer, understanding GST helps you make informed financial decisions.