Free tool
Add or remove GST/VAT from a price. Includes common Indian GST rate presets and a custom rate field.
Inclusive tax = Price × Rate ÷ (1 + Rate). Exclusive tax = Price × Rate. Price with tax = Price × (1 + Rate).
A 1,180 inclusive price at 18% GST. Base = 1,180 ÷ 1.18 = 1,000. GST = 180.
It splits a price into base amount and tax, or adds tax to a net price. It does not file returns, decide HSN codes or tell you which GST rate your product legally uses. Rate selection is your responsibility.
Consumer storefronts often show tax-inclusive prices. B2B invoices often show tax extra. If you mix the two in a margin spreadsheet, every downstream metric is wrong. Convert first, then calculate margin on the net amount your business actually keeps — after you account for input tax rules with your accountant.
No. It is a math helper. Tax classification, place of supply and filing are outside the scope of this page.
No. The calculation runs in your browser. Nothing is stored or transmitted.
Use any currency as long as every input uses the same one. The math does not depend on a currency code.
Tax-inclusive base = Price ÷ (1 + Rate).
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