CGST, SGST, IGST – What's the Difference?

Intra-state (same state): CGST (Central) + SGST (State), each half of total rate. E.g. 18% = 9% CGST + 9% SGST.
Inter-state (different state): IGST – single central tax.
Use our GST Calculator. CGST SGST IGST explained.