The GST Calculator helps you add or remove GST from an amount and instantly shows the original amount, GST amount and final amount.
Introduction
The GST Calculator is a useful finance tool for calculating Goods and Services Tax on products and services. It helps users calculate tax-inclusive and tax-exclusive prices easily.
What is GST?
GST stands for Goods and Services Tax. It is an indirect tax applied to the supply of goods and services. GST rates commonly include 5%, 12%, 18%, and 28%.
GST Amount = GST Inclusive Amount − Original Amount
How to Use the GST Calculator
Enter the amount.
Select the GST rate.
Choose Add GST or Remove GST.
Click Calculate GST.
The GST amount and final amount will appear instantly.
Features of the GST Calculator
Supports 5%, 12%, 18%, and 28% GST rates
Can add GST to an amount
Can remove GST from GST-inclusive price
Saves recent calculations in browser history
Simple and mobile-friendly interface
Common Uses
Product billing and invoices
Business price calculation
Online shopping price checking
Tax-inclusive and tax-exclusive calculation
Accounting and finance practice
Technologies Used
This calculator is developed using HTML for structure, CSS for design and JavaScript for GST calculation, result display and browser-based history storage.