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Apna GST Rate
Calculator

Free, fast, and accurate GST calculator for Indian businesses. Calculate GST, find rates, and compare slabs instantly.

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GST Calculator

Add GST to amount

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Reverse GST

Extract base from total

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Rate Finder

Find product rate

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Compare Rates

All GST slabs

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Lightning Fast

Calculate GST in seconds. No delays, no hassle.

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100% Accurate

Precise calculations following Indian GST rules.

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Completely Private

All calculations happen in your browser. Zero data stored.

What is GST?

GST (Goods and Services Tax) is an indirect tax levied on the supply of goods and services in India. It was introduced on July 1, 2017, replacing multiple cascading taxes levied by the central and state governments. GST is a destination-based tax that is levied at every stage of the supply chain, from manufacturer to consumer.

GST Rate Slabs in India

The Indian GST structure has five tax slabs: 0%, 5%, 12%, 18%, and 28%. Essential items like food grains are taxed at 0%, while luxury items like cars and tobacco products are taxed at 28%.

Quick GST Rate Guide:

  • 0% GST: Essential foods, education, healthcare
  • 5% GST: Restaurants, transport, household items
  • 12% GST: Computers, clothing, mobile phones
  • 18% GST: Most services, electronics, hotels
  • 28% GST: Luxury cars, tobacco, aerated drinks

How to Calculate GST?

Calculating GST is simple with our calculator. Just enter your base amount, select the GST rate (5%, 12%, 18%, or 28%), and click calculate. The calculator will show you:

  • Base amount (your original price)
  • GST amount (tax to be added)
  • Total amount (final price including GST)

GST Calculation Formula

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

For example, if you have a base amount of ₹1,000 and GST rate is 18%:
GST Amount = (1,000 × 18) / 100 = ₹180
Total Amount = 1,000 + 180 = ₹1,180

Reverse GST Calculation

Sometimes you know the total amount (including GST) and want to find out the base amount. This is called reverse GST calculation. Use our Reverse GST Calculator to extract the base amount and GST component from the total.

Why Use ApnaGSTRate Calculator?

  • 100% Free: No charges, no hidden fees, completely free to use
  • No Registration: Start calculating immediately without signing up
  • Mobile Friendly: Works perfectly on smartphones for on-the-go calculations
  • Indian Format: Uses ₹ (Rupee) symbol and Indian number formatting
  • Offline Capable: All calculations happen in your browser
  • Privacy First: We don't store or track your calculations

For Indian Businesses

Whether you're a shopkeeper in Mumbai, a trader in Delhi, or an online seller on Flipkart/Amazon, our GST calculator is designed for you. Calculate GST for invoices, quotations, or quick price checks. Made in India, for India. Apna Calculator, Apna Bharat! 🇮🇳

Complete GST Rate Chart

RateCategoryExamples
0%Essential ItemsFresh vegetables, milk, education
5%Basic NecessitiesRestaurants, transport, household items
12%Standard GoodsComputers, clothing, phones
18%Services & ElectronicsIT services, electronics, hotels
28%Luxury ItemsCars, tobacco, soft drinks

Frequently Asked Questions

What is GST and how is it calculated?

GST (Goods and Services Tax) is an indirect tax on goods and services in India. To calculate GST, multiply your base amount by the GST rate (5%, 12%, 18%, or 28%) and divide by 100. Add this to your base amount to get the total price.

How to add GST to a price?

To add GST to a price: (1) Take your base price, (2) Multiply by GST rate and divide by 100 to get GST amount, (3) Add GST amount to base price. Example: ₹1,000 + 18% GST = ₹1,000 + ₹180 = ₹1,180.

What are the GST rates in India?

India has 5 GST slabs: 0% (essentials like food, education), 5% (basic necessities), 12% (standard goods like computers), 18% (services, electronics), and 28% (luxury items like cars).

How to calculate reverse GST?

Reverse GST calculation extracts the base amount from a total that includes GST. Formula: Base Amount = (Total × 100) / (100 + GST Rate). Use our Reverse GST Calculator for instant results.

What is the difference between CGST and SGST?

CGST (Central GST) and SGST (State GST) are components of GST for intra-state transactions. The total GST rate is split equally between CGST and SGST. For example, 18% GST = 9% CGST + 9% SGST.

How to find GST rate for my product?

Use our GST Rate Finder tool above. Simply search for your product category or item name, and we'll show you the applicable GST rate, HSN code, and examples.

Is this GST calculator accurate?

Yes! Our calculator uses official GST formulas and is regularly updated with the latest GST rates. All calculations are 100% accurate and follow Indian GST regulations.

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