FREE GST CALCULATOR
With CharteredHelp’s GST Calculator, you can calculate GST in seconds — choose tax type (Include GST or Exclude GST), enter the amount, and instantly see the Taxable Amount, GST Amount, and Total Amount.
Designed for India.
Software - CharteredHelp
4.9
Free GST Calculator Online (5%, 12%, 18%, 28%) – India
Are you confused about how to calculate GST on your product or service? Don’t worry. Our Free GST Calculator makes it super easy. Whether you need 5%, 12%, 18% or 28% GST, you can calculate it in seconds. Just enter the amount, choose the GST rate, and the tool will show you:
Taxable Amount
GST Amount
Total Amount
What is inclusive vs exclusive GST?
Inclusive GST means GST is already included in the price (for example, ₹1000 including 18% GST).
Exclusive GST means GST is extra on the price (for example, ₹1000 + 18% GST).
Our GST Calculator Online helps you find both inclusive and exclusive GST amounts instantly.
Who Can Use This GST Calculator?
Sellers – to make GST invoices quickly
Buyers – to check how much GST is charged
Retailers & Wholesalers – to calculate product prices with GST
E-commerce sellers – to find GST for online selling
It works for everyone, from small shopkeepers to big businesses.
How to Use Our GST Calculator?

Example Calculation
Amount: ₹3000
GST %: 18%
Type: Include GST
Result:
Taxable Amount: ₹2542.37
GST Amount: ₹457.63
Total Amount: ₹3000
Why Use CharteredHelp GST Calculator?
✅ Free & Easy to Use
✅ Instant & Accurate Results
✅ Supports all GST rates (5%, 12%, 18%, 28%)
✅ Works for both Inclusive & Exclusive tax
✅ Designed for businesses in India
Need GST Guidance? CharteredHelp is Here for You
For over a decade, CharteredHelp has been guiding businesses with GST registration, return filing, and tax calculations. With our 10+ years of proven expertise, you don’t need to worry about GST anymore. Use our free GST Calculator and, if you still have questions, click below to chat with us on WhatsApp — fast, free, and reliable.
FAQ's for GST Calculator
1 What is a GST Calculator?
A GST Calculator is a tool that helps you quickly calculate the GST amount on a given value. It shows you the base price, GST amount, and total amount.
2 How to calculate GST?
Simply enter the amount, choose GST % (5%, 12%, 18%, or 28%), and select Include/Exclude option in our calculator.
3 Is this GST Calculator free to use?
Yes, CharteredHelp GST Calculator is 100% free for all users.
4 Can I use this calculator for GST filing?
Yes, you can calculate GST for invoices and filing, but for complete GST return filing support, CharteredHelp also provides professional GST Filing Services in Noida, Delhi NCR & all over India.
5 What is the difference between Inclusive and Exclusive GST?
Inclusive means GST is inside the price. Exclusive means GST will be added separately.