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GST
Calculator.

Add GST to a net amount or extract it from a gross. Supports the standard Indian slabs and a custom rate, with the CGST + SGST split shown for intra-state transactions.

// Fill Details
// Gross (incl. GST)

Enter an amount and pick a slab.

Net Amount
GST Total
CGST
SGST

GST formulas

Add GST     :  Gross = Net × (1 + r/100);  GST = Gross − Net
Extract GST :  Net   = Gross / (1 + r/100); GST = Gross − Net
For intra-state, CGST = SGST = GST / 2.