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GST Calculator

GST Inclusive/Exclusive Calculator

Calculate GST amounts, inclusive and exclusive prices instantly. Support for all GST rates (5%, 12%, 18%, 28%) with reverse calculation functionality.

Enter Amount Details

Fill in the fields below to calculate GST amounts

Exclusive: Price without GST | Inclusive: Price with GST
₹
Enter the amount (exclusive or inclusive based on selection above)
Select the applicable GST rate
Select the type of GST applicable
Enter HSN code for goods or SAC code for services
Number of units (for bulk calculations)

Your GST Calculation Results

Enter the amount and GST rate to see the detailed GST breakdown.

GST amount calculation Base price / Total price CGST/SGST or IGST breakdown Per-unit pricing

GST Rates (FY 2025-26)

  • Essential Goods0%
  • Common Items5%
  • Standard Goods12%
  • Most Goods & Services18%
  • Luxury Items28%

GST rates vary based on the type of goods/services

GST Calculation Formula

  • Exclusive PriceBase Amount × GST Rate
  • Inclusive PriceBase Amount ÷ (1 + GST Rate)
  • GST AmountTotal × (Rate ÷ (100 + Rate))
  • CGST / SGSTHalf of GST Amount

CGST+SGST for intra-state, IGST for inter-state