Calculate GST inclusive and exclusive amounts instantly with detailed CGST, SGST and IGST tax breakdowns for invoices, billing and accounting.
GST added separately on base amount
GST extracted from total amount
This free online GST calculator helps businesses, shop owners, accountants, freelancers, and taxpayers calculate GST instantly with accurate CGST, SGST, and IGST tax breakdowns. The calculator supports both GST inclusive and GST exclusive calculations for invoices, billing, accounting, and tax planning.
GST (Goods and Services Tax) is one of the primary indirect taxes in India. Businesses regularly use GST calculations while creating invoices, preparing quotations, calculating product prices, filing GST returns, and managing tax compliance.
GST calculations differ depending on whether the rate is added or already included:
GST Exclusive Formula: GST Amount = (Original Base Amount × GST Rate) ÷ 100
Final Price: Net Price = Original Base Amount + GST Amount
GST Inclusive Formula: Original Base Amount = Total Amount ÷ (1 + GST Rate ÷ 100)
Tax Extracted: GST Amount = Total Amount – Original Base Amount
GST (Goods and Services Tax) is an indirect tax applied on the supply of goods and services in India, unifying previous central and state indirect taxes.
GST exclusive means GST is added on top of the base amount. GST inclusive means the final price already includes the tax amount.
For intra-state transactions within the same state, GST is split equally between CGST and SGST (e.g., 18% GST splits into 9% CGST and 9% SGST).
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