GST Calculator
Add or remove Goods and Services Tax (GST) from any base amount. Find CGST and SGST splits for tax compliance and invoice auditing.
The base amount to calculate tax on.
CGST and SGST Split breakdown
Indian GST Split Summary
Under intra-state GST tax rules, the CGST component of ₹900 (9%) goes to the Central Government, and the SGST component of ₹900 (9%) goes to the State Government.Grow Your Business Online
GST Calculation Formula
| Type | Formula |
|---|---|
| GST Exclusive | GST Amount = Price × GST Rate ÷ 100 Total = Price + GST Amount |
| GST Inclusive | GST Amount = Price × Rate ÷ (100 + Rate) Base Price = Price - GST Amount |
GST Rate Quick Reference Table
| Rate | Category Examples |
|---|---|
| 0% | Essential food items, unbranded cereals, milk |
| 5% | Packaged food, medicines, economy class flights |
| 12% | Processed food, computers, mobile phones |
| 18% | Most goods and services, restaurants, AC hotels |
| 28% | Luxury items, tobacco, cement, large cars |
Common GST Questions (FAQ)
Q1: How to calculate 18% GST on a product?
Multiply the base price by 0.18. Example: Rs 1,000 x 18% = Rs 180 GST. Total = Rs 1,180.
Q2: How to remove GST from a GST-inclusive price?
GST Amount = Inclusive Price × Rate ÷ (100 + Rate). Example: Rs 1,180 inclusive of 18% GST. GST = 1,180 × 18 ÷ 118 = Rs 180. Base price = Rs 1,000.
Q3: What is CGST and SGST?
For intra-state transactions, GST is split equally into CGST (Central GST) and SGST (State GST). For 18% GST: CGST = 9%, SGST = 9%.
Q4: What is IGST?
For inter-state transactions, a single IGST (Integrated GST) applies instead of CGST + SGST.
Q5: Is GST applicable on services?
Yes. Most services attract 18% GST. Some like healthcare and education are exempt.
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Frequently Asked Questions
What is GST?
Goods and Services Tax (GST) is an indirect tax used in India on the supply of goods and services. It is a destination-based tax levied on every value addition, replacing multiple former indirect taxes like excise duty, VAT, and services tax.
How do I calculate GST on my own?
To Add GST: GST Amount = Original Cost * (GST% / 100), and Net Price = Original Cost + GST Amount. To Remove GST: Original Cost = Net Price / (1 + (GST% / 100)), and GST Amount = Net Price - Original Cost.
What are CGST and SGST?
Under dual GST in India, for intra-state transactions (within the same state), GST is split equally between the Central Government as CGST (Central GST) and the State Government as SGST (State GST). For inter-state transactions, a single IGST (Integrated GST) is charged by the Centre.
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