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Quick GST Calculator

Calculate GST amounts instantly for your business transactions. Choose your GST rate and enter the amount to get detailed calculations.

0.25%
3%
5%
12%
18%
28%
Amount Excluding GST
Amount Including GST

Calculation Results

Base Amount (Excluding GST): ₹0.00
GST Amount (@5%): ₹0.00
Total Amount (Including GST): ₹0.00
GST Breakdown (Intra-state vs Inter-state):
CGST — Central GST (intra-state): ₹0.00
SGST/UTGST — State/UT GST (intra-state): ₹0.00
IGST — Integrated GST (inter-state only): ₹0.00

💡 Use CGST + SGST for sales within the same state. Use IGST for sales across state borders.

Understanding GST in India

Goods and Services Tax (GST) is a comprehensive indirect tax levied on the supply of goods and services in India. It replaced multiple cascading taxes charged by the central and state governments.

📊 Real-Life Example

Scenario: You're buying a laptop worth ₹50,000 with 18% GST.

Calculation:

  • Base Price: ₹50,000
  • GST Amount: ₹50,000 × 18% = ₹9,000
  • Total Amount: ₹50,000 + ₹9,000 = ₹59,000

GST Rate Structure in India

0%
Essential items (milk, bread, vegetables)
0.25%
Rough diamonds, precious stones
3%
Gold, silver jewelry
5%
Household necessities, food items
12%
Computers, processed foods
18%
Most goods and services
28%
Luxury items, cars, tobacco

Frequently Asked Questions

What is the difference between CGST, SGST, and IGST?
CGST (Central GST): Collected by the Central Government on intra-state transactions.
SGST (State GST): Collected by the State Government on intra-state transactions.
IGST (Integrated GST): Collected by the Central Government on inter-state transactions.
For intra-state transactions: CGST + SGST = Total GST
For inter-state transactions: IGST = Total GST
How to calculate GST backward (from inclusive amount)?
To find the base amount from GST-inclusive price, use this formula:
Base Amount = GST Inclusive Amount ÷ (1 + GST Rate/100)
Example: If total is ₹1,180 with 18% GST, base amount = ₹1,180 ÷ 1.18 = ₹1,000
What is reverse charge mechanism in GST?
Under reverse charge mechanism, the recipient of goods/services pays GST instead of the supplier. This typically applies to transactions with unregistered dealers, imports, and specific services. The calculation method remains the same - only the liability shifts to the buyer.
Are there any items exempt from GST?
Yes, certain items are completely exempt from GST including fresh fruits and vegetables, unprocessed cereals, milk, curd, natural honey, salt, sindoor, kajal, educational services, and healthcare services. These items don't attract any GST.

GST Calculation Tips for Businesses

  • Keep accurate records: Maintain detailed records of all transactions for GST filing.
  • Understand HSN codes: Classify your products correctly to apply the right GST rate.
  • Input Tax Credit: Claim ITC on business purchases to reduce your GST liability.
  • Timely filing: File GST returns on time to avoid penalties and interest.
  • Use technology: Leverage GST software for accurate calculations and compliance.

GST on Common Goods & Services — Quick Reference

Category Examples GST Rate
Essential Food ItemsFresh milk, eggs, vegetables, fruits, bread, salt0%
Precious StonesRough diamonds, uncut precious stones0.25%
Gold & SilverGold, silver, platinum jewelry & bullion3%
Packaged Foods & ServicesEdible oils, sugar, tea, coffee, footwear <₹1000, transport5%
Electronics & Processed FoodsMobile phones, computers, butter, cheese, ghee12%
Most Goods & ServicesRestaurants, AC hotels, IT services, telecom, banking18%
Luxury & Demerit GoodsCars, cement, tobacco, aerated drinks, pan masala28%

* GST rates are subject to change by the GST Council. Always verify the latest rates from the CBIC website or your GST return software.

Stop Calculating GST Manually — Let Khata Billing Do It Automatically

Every time you create a GST invoice in Khata Billing, CGST, SGST, and IGST are calculated and applied automatically based on the item, rate, and customer location. No manual calculation. No errors. GST returns ready in one click.

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