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Online Indian GST Calculator

Calculate GST addition and removal instantly

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Base Net Price

15,000.00

CGST (Central)

1,350.00

SGST (State)

1,350.00

Gross Invoice Total

17,700.00

Tax Engine Configuration

Current: 18%

India Statutory Slabs Reference:

  • 5% Slab: Essential goods (packaged foods, basic textiles).
  • 12% Slab: Processed foods, books, standard utilities.
  • 18% Slab: Professional services, software products, electronics, business consulting.
  • 28% Slab: Luxury items, motor vehicles, high-end entertainment.

Tax Breakdown & Visualizer

Base Net (85%) GST Tax Burden (15%)

GSTR-1 Invoice Preview

GST Treatment:Intra-State supply (CGST + SGST applied)
Original Transaction Amount:15,000
Base Sales Price (Excl. Tax):15,000.00
CGST (Central Tax Component - 9%):1,350.00
SGST (State Tax Component - 9%):1,350.00
Total Transaction Value:17,700.00

Why use GST Calculator?

The Online GST Calculator provides small businesses and retail owners with a fast, mobile-friendly tax utility. Calculate GST addition and removal across all Indian tax slabs (5%, 12%, 18%, 28%) and instantly extract CGST, SGST, and IGST breakdowns.

What's inside

  • Dual calculation mode: Add GST and Remove GST
  • Support for standard Indian slabs (5%, 12%, 18%, 28%)
  • Dynamic SGST, CGST, and IGST breakdowns
  • Clean, mobile-optimized numeric keyboard inputs
  • One-click copy clipboard action for tax calculations

GST Calculator — frequently asked

Quick answers about gst calculator.

CGST and SGST are applied on intra-state supply (within the state), sharing the tax evenly. IGST is applied on inter-state supply (between states).