GST Calculator — Add or Remove GST (5/12/18/28%)
Use our GST Calculator to add or remove GST at the standard Indian rates of 5%, 12%, 18% or 28%. Useful for invoices, MRP calculations and shopping.
Formula
Add GST: total = base × (1 + rate/100) Remove GST: base = total / (1 + rate/100)
Example
₹1,000 + 18% GST = ₹1,180. From ₹1,180 incl. → base ₹1,000, GST ₹180.
Frequently Asked Questions
What is the most common GST rate?
18% is the most common rate in India, applicable to most services and many goods.
Are essential items taxed under GST?
Many essential items (unbranded grains, milk, fresh vegetables) are GST-exempt or at 0-5%.
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