GST Calculator Online
Calculate CGST, SGST, IGST, and total billing amounts instantly for both tax inclusive and exclusive figures.
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Total Amount (Gross)
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Taxable Value
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Total GST (18%)
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GST Components Breakdown
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Understanding GST Calculations in India
1. CGST
Central Goods & Services Tax is collected by the Central Government on intra-state transactions (within a single state). It is exactly half of the total GST rate.
2. SGST
State Goods & Services Tax is collected by the State Government on intra-state transactions. It is identical to CGST in amount.
3. IGST
Integrated Goods & Services Tax is levied on inter-state transactions (between two different states) and imports. The entire tax amount is paid to the Central Government which then distributes it.
GST Formulas:
To Add GST: GST Amount = (Base Amount × GST%) ÷ 100 | Total = Base Amount + GST Amount
To Remove GST (Inclusive): Base Amount = Total Amount ÷ (1 + GST% ÷ 100) | GST Amount = Total Amount - Base Amount