GST Calculator India
Calculate GST instantly — inclusive, exclusive, CGST/SGST/IGST split. Free, no signup.
Common GST Rates by Industry
IT Services
HSN: 998314
Restaurant (AC)
HSN: 9963
Restaurant (non-AC)
HSN: 9963
Hotel (>2500/night)
HSN: 9963
Consulting
HSN: 998311
Manufacturing (most goods)
HSN: varies
Pharmaceutical
HSN: 3004
Textile (cotton)
HSN: 5208
Transport (freight)
HSN: 9965
Construction (labor)
HSN: 9954
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About GST in India
GST rates in India: 0% (essential goods), 5% (necessities), 12% (standard goods), 18% (most services and goods), 28% (luxury items and sin goods).
CGST and SGST: For intrastate transactions, GST is split equally between Central (CGST) and State (SGST). For interstate transactions, full IGST applies.
Who must register for GST: Businesses with annual turnover above ₹20 lakhs (₹10 lakhs in special category states), all interstate suppliers, and e-commerce sellers regardless of turnover.
GST invoice requirements: Every B2B invoice must include supplier's GSTIN, buyer's GSTIN (if registered), HSN/SAC code, GST rate applied, and CGST/SGST or IGST amount separately.