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.GST Slab Table 2025–26 — Rates & Examples
| GST Rate | Category | Examples |
|---|---|---|
| 0% | Exempt / Essential goods | Unbranded cereals, milk, eggs, vegetables, fruits, salt, bread, prasad, stamps, judicial documents |
| 5% | Necessities & basic services | Packaged food, tea, coffee, medicines (life-saving), economy flights, restaurant services (non-AC), apparel ≤ ₹1,000, travel agency |
| 12% | Standard goods | Processed food, butter/cheese/ghee, computers, mobile phones, branded garments > ₹1,000, non-AC hotels, business class flights, printing services |
| 18% | Most goods & services | AC hotels (₹7,500+/night), restaurants (AC), IT/software services, hair salons, financial services, telecom, construction, outdoor catering |
| 28% | Luxury & demerit goods | Cars, cement, tobacco, pan masala, aerated drinks, large AC units, washing machines > 10 kg, dishwashers, casinos |
| 3% | Precious metals | Gold, silver, and other precious metals |
GST Calculation Formula — Add & Remove
| Scenario | Formula | Example @ 18% |
|---|---|---|
| Add GST (Exclusive) | GST = Base × Rate ÷ 100 Total = Base + GST | ₹1,000 × 18% = ₹180 GST → Total ₹1,180 |
| Remove GST (Inclusive) | GST = Price × Rate ÷ (100 + Rate) Base = Price − GST | ₹1,180 → GST = 1,180 × 18 ÷ 118 = ₹180 → Base ₹1,000 |
| CGST (Intra-state) | CGST = Total GST ÷ 2 | 18% GST → CGST = 9%, SGST = 9% |
| IGST (Inter-state) | IGST = Full GST Rate (no split) | 18% GST → IGST = 18% (no CGST/SGST) |
CGST = Central GST (goes to Central Government) | SGST = State GST (goes to State Government) | IGST = Integrated GST for cross-state transactions, collected by Centre then distributed to destination state.
Pre-Calculated GST Table — Common Amounts
| Base Amount | 5% GST | 12% GST | 18% GST | 28% GST |
|---|---|---|---|---|
| ₹500 | ₹525 | ₹560 | ₹590 | ₹640 |
| ₹1,000 | ₹1,050 | ₹1,120 | ₹1,180 | ₹1,280 |
| ₹2,500 | ₹2,625 | ₹2,800 | ₹2,950 | ₹3,200 |
| ₹5,000 | ₹5,250 | ₹5,600 | ₹5,900 | ₹6,400 |
| ₹10,000 | ₹10,500 | ₹11,200 | ₹11,800 | ₹12,800 |
| ₹25,000 | ₹26,250 | ₹28,000 | ₹29,500 | ₹32,000 |
| ₹50,000 | ₹52,500 | ₹56,000 | ₹59,000 | ₹64,000 |
| ₹1,00,000 | ₹1,05,000 | ₹1,12,000 | ₹1,18,000 | ₹1,28,000 |
| ₹5,00,000 | ₹5,25,000 | ₹5,60,000 | ₹5,90,000 | ₹6,40,000 |
All values show the total payable amount (Base + GST). 18% column highlighted as the most common rate.
GST Calculator — Frequently Asked Questions
Q1: What is GST in India?
Goods and Services Tax (GST) is a comprehensive indirect tax levied on the supply of goods and services across India since July 1, 2017. It replaced multiple state and central taxes like VAT, excise duty, and service tax. GST is a destination-based, multi-stage tax.
Q2: How to calculate 18% GST on a product?
Multiply the base price by 0.18. Example: ₹1,000 × 18% = ₹180 GST. Total amount = ₹1,180. Or use our calculator above by selecting 18% and entering ₹1,000.
Q3: How to remove GST from an inclusive price?
Use the formula: GST Amount = Inclusive Price × Rate ÷ (100 + Rate). Example: ₹1,180 (inclusive of 18% GST). GST = 1,180 × 18 ÷ 118 = ₹180. Base Price = ₹1,180 − ₹180 = ₹1,000. Use the 'Remove GST (−)' toggle above.
Q4: What is the difference between CGST and SGST?
For intra-state transactions (buyer and seller in same state), GST is split equally: CGST (Central GST) goes to the Central Government and SGST (State GST) goes to the State Government. For 18% GST, CGST = 9% and SGST = 9%.
Q5: What is IGST and when is it charged?
IGST (Integrated GST) is charged on inter-state transactions — when goods/services move between two different states. The Centre collects the full IGST and then transfers the state's share to the destination state.
Q6: Which goods are exempt from GST (0% rate)?
Essential items like unbranded cereals, milk, eggs, vegetables, fresh fruits, salt, bread, unprocessed meat, stamps, judicial documents, and educational services are exempt from GST (0% rate).
Q7: What is the GST rate on mobile phones?
Mobile phones and smartphones are classified under HSN 8517 and attract 18% GST. This applies to both domestic purchases and imports. Accessories like chargers also typically attract 18% GST.
Q8: What is the GST rate on restaurants?
Non-AC restaurants: 5% GST. AC restaurants and those inside hotels with room tariff > ₹7,500: 18% GST. Outdoor catering: 18% GST. Packaged food sold from restaurants: 5% GST.
Q9: How does GST work for small businesses under composition scheme?
Under the GST Composition Scheme, businesses with turnover below ₹1.5 crore (₹75 lakh for services) pay a fixed lower rate (1–6%) on turnover instead of the regular GST rate. However, they cannot claim Input Tax Credit (ITC) and cannot collect GST from customers.
Q10: What is Input Tax Credit (ITC) in GST?
ITC allows businesses to deduct the GST they paid on their purchases (inputs) from the GST they collect on their sales. This prevents cascading/double taxation. For example, a manufacturer who paid ₹900 GST on raw materials can deduct it from ₹1,800 GST collected on finished goods, paying only ₹900 net.
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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