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GST Calculator

₹100 ₹5L
GST Inclusive:
Exclusive
Enter the invoice amount or taxable value
Reverse charge applies to certain services and unregistered suppliers

GST Calculation Results

Taxable Amount: ₹10,000
CGST (9%): ₹900
SGST (9%): ₹900
Total GST: ₹1,800
Total Invoice Value: ₹11,800

Detailed GST Breakdown

Intrastate Transaction (CGST + SGST)

Component Rate Amount
Taxable Value - ₹10,000
CGST (Central GST) 9% ₹900
SGST (State GST) 9% ₹900
Total Amount - ₹11,800

Interstate Transaction (IGST)

Component Rate Amount
Taxable Value - ₹10,000
IGST (Integrated GST) 18% ₹1,800
Total GST - ₹1,800
Total Amount - ₹11,800

Why Use Our GST Calculator?

Updated GST Rates for 2025

Calculate GST using the latest rates from the 55th GST Council meeting held in December 2024. Our calculator includes all current GST slabs including 0%, 3%, 5%, 12%, 18%, and 28% with recent changes.

CGST, SGST & IGST Breakdown

Get detailed breakdown of Central GST, State GST for intrastate transactions, and Integrated GST for interstate transactions with accurate calculations as per GST law.

Inclusive & Exclusive GST Mode

Calculate GST for both inclusive (when GST is already included in price) and exclusive (when GST needs to be added) scenarios with one-click toggle functionality.

Visual Chart Representation

Interactive charts show GST breakdown and amount comparison making it easy to understand the tax structure and invoice composition for better financial planning.

Reverse Charge Support

Handle reverse charge scenarios where the recipient is liable to pay GST instead of the supplier, with accurate calculations for compliance with GST regulations.

Free & Mobile Optimized

Completely free to use with responsive design that works perfectly on desktop, tablet, and mobile devices. No registration required with instant calculations.

Understanding GST in India (2025 Guide)

Goods and Services Tax (GST) is a comprehensive indirect tax levied on the supply of goods and services in India, implemented on July 1, 2017. GST replaced multiple indirect taxes like VAT, service tax, and excise duty, making the tax system more streamlined and efficient. The GST rates in India for 2025 are categorized into five main slabs: 0% for essential items, 5% for basic necessities, 12% for standard goods, 18% for most consumer products, and 28% for luxury and sin goods.

GST Tax Structure and Components

For intrastate transactions (within the same state), GST is split equally between CGST (Central GST) collected by the central government and SGST (State GST) collected by the state government. For interstate transactions, IGST (Integrated GST) is collected by the central government and later distributed to the respective states.

GST Rate Slabs for 2025 (Updated from 55th GST Council)

GST Rate Examples Category
0% Fresh Milk, Vegetables, Fruits, Educational Services Essential Items
3% Gold, Gold Jewellery, Precious Metals Precious Items
5% Tea, Coffee, Sugar, Cooking Oil, Fortified Rice Kernel Household Necessities
12% Computers, Machinery, Butter, Ghee, Bricks Standard Goods
18% Mobile Phones, Electronics, Cosmetics, Most Services Common Rate
28% Luxury Cars, Tobacco, Aerated Drinks, Gaming Services Luxury Items

Latest GST Rate Changes (2025)

The 55th GST Council meeting held on December 21, 2024, announced several important changes effective from January 16, 2025. Key updates include Fortified Rice Kernel (FRK) now attracting 5% GST rate, approved skill training partners of NSDC being exempted from GST, and various clarifications for hotel accommodation services.

How to Calculate GST?

GST calculation involves multiplying the transaction amount with the applicable GST rate and dividing by 100. For intrastate transactions, this amount is split equally between CGST and SGST. For interstate transactions, the entire amount becomes IGST.

GST Calculation Formulas:

  • GST Amount = (Taxable Value × GST Rate) ÷ 100
  • For Intrastate: CGST = SGST = GST Amount ÷ 2
  • For Interstate: IGST = GST Amount
  • Total Invoice Value = Taxable Value + GST Amount
  • GST Inclusive Calculation: GST = [Total Amount × GST Rate] ÷ [100 + GST Rate]

GST Inclusive vs Exclusive Calculation

Understanding the difference between GST inclusive and exclusive calculations is crucial for accurate pricing and invoicing:

  • GST Exclusive: GST is added to the base price to get the final amount
  • GST Inclusive: GST is already included in the total price and needs to be extracted
  • Reverse Calculation: Used when GST is included in the quoted price

When is Reverse Charge Applicable?

Reverse charge mechanism means the recipient of goods or services pays the GST instead of the supplier. This applies in specific scenarios like purchase from unregistered dealers above specified limits, import of services, purchase of goods from composition scheme dealers, and specified services like legal services, director services, etc.

HSN and SAC Codes for GST Classification

The Harmonised System of Nomenclature (HSN) for goods and Service Accounting Code (SAC) for services are essential for determining the correct GST rate. Businesses must use the appropriate codes for accurate GST calculation and compliance with tax regulations.

Frequently Asked Questions about GST Calculator

What is GST and how is it calculated in India?
GST (Goods and Services Tax) is a comprehensive indirect tax system in India with rates of 0%, 5%, 12%, 18%, and 28%. It's calculated as: GST Amount = (Taxable Value × GST Rate) ÷ 100. For intrastate transactions, this amount is split equally between CGST and SGST. For interstate transactions, the entire amount becomes IGST.
What are the current GST rates in India for 2025?
The GST rates in India for 2025 are: 0% for essential items like milk and vegetables, 5% for household necessities like tea and coffee, 12% for standard goods like machinery, 18% for most goods and services including electronics, and 28% for luxury items like cars and tobacco. Gold attracts 3% GST. Recent updates from the 55th GST Council meeting include changes to various products effective from January 2025.
What's the difference between CGST, SGST, and IGST?
CGST (Central GST) and SGST (State GST) apply to intrastate transactions within the same state, with each typically being half the total GST rate. IGST (Integrated GST) applies to interstate transactions between different states and equals the full GST rate. The central government collects IGST and distributes the SGST portion to the destination state.
How do I calculate GST for inclusive and exclusive pricing?
For GST Exclusive: Add GST to base price using GST Amount = (Base Price × GST Rate) ÷ 100. For GST Inclusive: Extract GST from total using GST Amount = [Total Amount × GST Rate] ÷ [100 + GST Rate]. Our calculator handles both scenarios automatically with a simple toggle switch.
Which goods and services are exempt from GST?
GST-exempt items include fresh fruits and vegetables, unprocessed milk, educational services, healthcare services, public transportation, and religious services. However, processed or packaged versions of many exempt items may attract GST. Always check the latest HSN/SAC codes and notifications for specific items.
What is reverse charge mechanism in GST?
Reverse charge mechanism means the recipient pays GST instead of the supplier. It applies to purchases from unregistered dealers above specified limits, import of services, legal and professional services, and purchases from composition scheme dealers. The tax calculation remains the same but the liability to pay shifts to the recipient.
How often are GST rates updated in India?
GST rates are reviewed and updated by the GST Council through periodic meetings. The 55th GST Council meeting in December 2024 made several rate changes effective from January 2025. The next 56th GST Council meeting is expected in June 2025. Businesses should stay updated with official CBIC notifications for the latest rates and compliance requirements.
Can I use this GST calculator for both goods and services?
Yes, our GST calculator works for both goods and services. The calculation method is the same - simply select the appropriate GST rate based on your product/service category using HSN codes for goods or SAC codes for services. The calculator automatically applies the correct formula for both intrastate and interstate transactions.