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SGST

Tax

State Goods and Services Tax

The state government's half of GST charged on intra-state transactions in India, collected alongside an equal CGST share and going to the state treasury.

Written by · Reviewed by the thecalcu.com team · Last updated 8 August 2026

What is SGST?

SGST is the state government's share of India's Goods and Services Tax, charged on transactions that occur within a single state. It's always collected alongside an equal CGST amount, together making up the total GST rate applied to a sale.

For an intra-state sale with an 18% GST rate, 9% goes to SGST and 9% to CGST, split evenly between state and central governments. This dual structure only applies within a state, cross-state sales use IGST instead, a single combined tax handled differently at settlement.

Formula

SGST = Transaction Value × (GST Rate / 2)

Worked Example

A retailer in Karnataka sells goods worth ₹50,000 to a customer in the same state, with an 18% GST rate applying.

  • Total GST: ₹50,000 × 18% = ₹9,000
  • SGST (half): ₹9,000 / 2 = ₹4,500
  • CGST (half): ₹9,000 / 2 = ₹4,500

The invoice shows SGST and CGST as separate line items, both routing to different government treasuries.

Key Things to Know

  • Always paired with an equal CGST amount for intra-state sales. SGST never appears alone, it's always split 50-50 with CGST on the same transaction.
  • Not used for inter-state transactions. Cross-state sales use IGST instead, a different mechanism entirely, not SGST plus CGST.
  • Rates are set nationally, not by individual states. Despite being a state tax, the rate itself is decided uniformly by the GST Council, states don't set their own SGST percentages.
  • Input tax credit generally stays within its own category. SGST credit typically offsets SGST liability, following specific cross-utilization rules set by GST law.
  • Revenue funds state government spending. This is the practical reason for the split structure, ensuring both central and state governments get their share of consumption tax revenue.

Related Terms

CGSTCentral Goods and Services Tax

Frequently Asked Questions

Do I pay both SGST and CGST on the same purchase?

Yes, for any transaction within the same state, both are charged together and split equally, so an 18% GST rate breaks down into 9% SGST plus 9% [CGST](/glossary/cgst/), not a single combined 18% line item.

What happens to SGST on an inter-state transaction?

Inter-state sales don't use SGST and CGST at all, they use IGST instead, a single combined tax collected by the central government and later apportioned to the destination state.

Does SGST rate vary by state?

No, GST rates including the SGST component are set uniformly at the national level by the GST Council, so the same product carries the same SGST rate whether sold in one state or another.

Where does SGST revenue go?

It's collected by the state where the sale takes place and credited to that state's treasury, funding state government spending, as opposed to CGST which funds the central government.

Can a business claim input tax credit on SGST paid?

Yes, SGST paid on purchases can generally be claimed as input tax credit against SGST liability on sales, following the standard GST input credit mechanism, though it can't be offset against CGST liability directly in most cases.