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GST (Goods and Services Tax) is a value-added tax levied on most goods and services sold for domestic consumption. It is paid by consumers, but it is remitted to the government by the businesses selling the goods and services.
Our GST Calculator is a versatile tool that helps you quickly determine the tax amount and the final price of a product, whether you are adding tax to a base price or extracting it from a total price.
This tool supports two primary calculation methods:
If you want to perform these calculations manually, here are the formulas:
To Add GST: GST Amount = (Original Cost × GST%) / 100
Net Price = Original Cost + GST Amount
To Remove GST: GST Amount = Original Cost - (Original Cost × (100 / (100 + GST%)))
Net Price = Original Cost - GST Amount
In many countries, GST and VAT (Value Added Tax) are essentially the same thing. Both are consumption taxes applied at every stage of the supply chain where value is added. You can use this calculator for VAT as well!
GST rates vary significantly by country. For example, India uses a multi-tier system (5%, 12%, 18%, 28%), while Australia has a flat 10% GST. Our calculator allows you to enter any custom rate.
Yes, in most jurisdictions, GST is calculated on the final transaction value. If a product is on sale, the tax is applied to the discounted price, not the original MRP.