Tools / GST Calculator
GST Calculator
Add GST to a base amount, or work out the base amount from a GST-inclusive price.
Base amount
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GST amount
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Total
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Frequently asked questions
What's the difference between 'add' and 'remove'?
Add: you have the base price and want the GST-inclusive total. Remove: you have a GST-inclusive price (like a receipt total) and want to know the base price and GST portion within it.
Which GST rate should I use?
That depends on the goods or service — common Indian GST slabs are 5%, 12%, 18% and 28%. Check the applicable rate for your specific item on the GST portal if unsure.