GST Calculator

Calculate GST, CGST, SGST & IGST online

Select Calculation Type

₹10,000.00
18%
0%50%
Total Amount (with GST)
₹11,800.00
Base Amount₹10,000.00
GST Amount (18%)₹1,800.00
Total Amount₹11,800.00

GST Tax Breakdown

CGST (Central GST)₹900.00
9.00% of base amount
SGST (State GST)₹900.00
9.00% of base amount
IGST (Integrated GST)₹1,800.00
18% for inter-state transactions

Note: For intra-state transactions, CGST + SGST applies. For inter-state transactions, only IGST applies.

Calculation Summary

Original Amount₹10,000.00
GST Rate Applied18%
GST Amount₹1,800.00
Final Amount₹11,800.00

What is a GST Calculator?

A GST Calculator is an online tool that helps businesses and individuals calculate the Goods and Services Tax amount on products or services. It can both add GST to a base amount (GST exclusive) or extract GST from a total amount (GST inclusive).

This calculator is essential for accurate invoicing, tax filing, and compliance with GST regulations in India. It automatically calculates CGST, SGST, and IGST components based on the GST rate applied.

How to Use

  1. 1Choose calculation type: Add GST (Exclusive) or Remove GST (Inclusive)
  2. 2Enter the invoice amount in the input field
  3. 3Select GST rate (0%, 3%, 5%, 12%, 18%, 28%) or enter custom rate
  4. 4Get instant GST amount with CGST, SGST, IGST breakdown

GST Calculation Formulas

Add GST (Exclusive)

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

Example: ₹10,000 + 18% GST = ₹10,000 + ₹1,800 = ₹11,800

Remove GST (Inclusive)

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

Example: ₹11,800 with 18% GST = ₹10,000 base + ₹1,800 GST

GST Rate Slabs in India

GST RateProduct/Service Category
0%Essential items (milk, bread, vegetables, education, healthcare)
5%Household necessities (sugar, tea, coffee, packaged food items)
12%Processed food, computers, smartphones
18%Most goods and services, IT services, financial services
28%Luxury items (cars, tobacco, aerated drinks, AC)

Frequently Asked Questions

What is GST and how does it work?

GST (Goods and Services Tax) is an indirect tax levied on the supply of goods and services in India. It replaced multiple indirect taxes like VAT, Service Tax, and Excise Duty. GST is a destination-based tax collected at each stage of the supply chain with credit for taxes paid at previous stages.

How is GST calculated in India?

For GST Exclusive: GST Amount = (Base Amount × GST Rate) / 100, Total = Base Amount + GST. For GST Inclusive: GST Amount = Total × [GST Rate / (100 + GST Rate)], Base Amount = Total - GST Amount. The GST is split equally between CGST and SGST for intra-state, or charged as IGST for inter-state transactions.

What are the different GST rates in India?

GST in India has multiple tax slabs: 0% (essential items), 0.25% (precious stones), 3% (gold), 5% (household necessities), 12% (processed food), 18% (most goods and services), and 28% (luxury items). The appropriate rate depends on the HSN/SAC code of the product or service.

What is the difference between CGST, SGST, and IGST?

CGST (Central GST) is collected by the Central Government, SGST (State GST) is collected by the State Government for intra-state transactions. For inter-state transactions, IGST (Integrated GST) is levied and collected by the Central Government. CGST + SGST = IGST for the same GST rate.

Can I claim input tax credit on GST paid?

Yes, registered businesses can claim Input Tax Credit (ITC) for GST paid on purchases used for business purposes. The credit can be used to offset GST liability on sales. However, ITC is not available for certain items like motor vehicles (except for business use), personal consumption, and non-business purposes.