How to calculate GST in JavaScript?

Determine the GST rate applicable to the goods or services: GST rates range from 0% to 28%, depending on the type of goods or services.
Determine the transaction value: This is the price of the goods or services that you are selling. It includes all charges, such as packing, freight, and insurance.
Calculate GST: To calculate GST, multiply the transaction value by the applicable GST rate. For example, if the transaction value is Rs. 10,000 and the GST rate is 18%, the GST payable would be Rs. 1,800 (10,000 x 18%).

GST Calculator

Price before GST: GST rate (%):