Calculators
GST Calculator

Add GST: Price with GST = Original Price + (Original Price × GST%/100)

Remove GST: Original Price = Price with GST × 100 / (100 + GST%)

Common GST slabs: 5%, 12%, 18%, 28%

Amount
GST Rate (%)

GST Calculator

Our free GST Calculator helps you add or remove GST from any amount instantly. Whether you need to calculate the price inclusive of GST or find the base price after removing GST, this tool handles it for all GST slabs — 5%, 12%, 18%, and 28%.

What is GST?

GST (Goods and Services Tax) is an indirect tax levied on the supply of goods and services. It replaced multiple cascading taxes and is collected at each stage of the supply chain.

GST Slabs

  • 5% — Essential food items, transport services
  • 12% — Processed foods, business class air tickets
  • 18% — Most goods and services (default)
  • 28% — Luxury goods, automobiles, tobacco

Frequently Asked Questions

How do I remove GST from a total price?
Use the "Remove GST" button. Enter the GST-inclusive price and rate, and the calculator will give you the original price before GST.
Is this GST calculator free?
Yes, completely free and no registration needed.