GST calculator
Add GST to a price, or take GST out of a price that already includes it. See the tax, the CGST and SGST split for a sale in your state, and IGST for a sale to another state.
- Free
- No sign-up
- Runs in your browser
How to use the gst calculator
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Enter the amount
Type the price of the product or service.
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Pick the rate
Choose a GST rate, or type your own.
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Add or remove
Add GST to a price before tax, or remove it from a price that already includes tax.
How GST is calculated
To add GST, multiply the price by the rate. A product of 1,000 at 18% GST carries 180 of tax, so the customer pays 1,180.
To remove GST from an inclusive price, divide by one plus the rate. A price of 1,180 that includes 18% GST is 1,180 ÷ 1.18 = 1,000 before tax, and 180 is the tax.
For a sale inside your own state, the tax is split equally into CGST and SGST (9% and 9% for an 18% rate). For a sale to another state, the full amount is IGST.
Common questions
What are the GST rates?
What is the difference between CGST, SGST and IGST?
Is GST calculated on the price with or without discount?
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GST on every order, automatically
Zepio applies your tax rates and HSN codes to every order and sends a proper tax invoice, so you never work GST out by hand.
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