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🧾 GST Calculator
India GST: add tax, remove tax, work back from the GST figure, or find the rate. Pick what you already know.
Taxable value
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GST
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Invoice total
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How GST is calculated
Add: GST = net × rate / 100. Remove: net = gross × 100 / (100 + rate). From GST amount: net = GST × 100 / rate. Find rate: rate = (gross − net) / net × 100. Intra-state splits GST equally into CGST and SGST; inter-state is IGST. Helper only, not tax advice.
FAQ
How do I remove GST from a total?
Choose “Amount with GST + rate” and enter the invoice total and slab. Net = gross × 100 / (100 + rate).
CGST vs IGST?
Intra-state splits GST equally into CGST and SGST. Inter-state is IGST on the same total tax.
Is this a filing tool?
No. It is a convenience calculator. Rates and rules change; check official GST sources for returns.