GST Calculator
Calculate GST amount, CGST, SGST, and total price instantly.
GST Calculator
Search by HSN Code - Updated Rates 2025
About GST Calculator
The GST Calculator helps you quickly determine the Goods and Services Tax (GST) amount and the total price including or excluding GST based on a given amount and tax rate. It simplifies tax computation for both individuals and businesses by automating what can be a complex manual calculation.
Instead of calculating multiple components manually, this tool uses standard GST formulas to deliver accurate results in seconds. It’s useful when preparing invoices, budgeting for purchases, or checking tax implications on sales and services.
Why Use This Tool
The GST Calculator gives you instant clarity on how much tax is applied to a product or service and what your final cost will be after tax. This helps you plan pricing strategies, verify billing amounts, and understand the impact of GST on transactions.
It is especially useful for:
- Business owners preparing sales invoices
- Consumers checking total prices before purchase
- Accountants and finance professionals reviewing tax computations
- Students and learners wanting to understand GST calculations
The GST Calculator is designed to be:
- Fast and intuitive — instant results with simple inputs
- Accurate — applies standard tax formulas
- Flexible — supports GST inclusive and exclusive scenarios
- Helpful — eliminates manual calculation errors
How It Works
Understanding the process behind the tool
Enter the original amount and the applicable GST rate. The calculator applies the selected tax percentage to compute the GST value and shows the final amount including tax.
Steps to Use
Enter the base amount
Select or enter the GST rate
The calculator computes the GST value
View the GST amount and total payable instantly
Frequently Asked Questions
Get answers to common questions
What does the GST Calculator do?
The GST Calculator determines the Goods and Services Tax amount and total cost either by adding GST to a net price or extracting GST from a gross amount.
How do I calculate GST on a price?
To calculate GST, multiply the original amount by the GST rate percentage and divide by 100 to get the tax amount; then add it to the base price to get the total cost.
Can this tool calculate GST both ways?
Yes, the calculator supports both GST inclusive and exclusive calculations so you can determine tax either added to or removed from a given price.
Do I need an account to use it?
No, the GST Calculator is free and accessible without any account or signup.
Who can benefit from this calculator?
Business owners, accountants, students, and anyone dealing with prices and taxes can use the GST Calculator to save time and avoid manual errors.