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GST Calculator

Calculate GST amount and total price instantly using different GST rates.

Use our free online gst calculator to get accurate results instantly. The calculator is designed to be fast, easy to use, mobile-friendly, and suitable for everyday calculations.

Accurate ResultsFree to UseInstant Calculation

GST Calculator

Calculate GST amount, CGST, SGST, and total payable amount instantly.

How the GST Calculator Works

Step 1

Enter Amount

Enter the original amount before GST.

Step 2

Select GST Rate

Choose the GST percentage.

Step 3

Calculate GST

Calculate GST amount instantly.

Step 4

View Results

See GST amount and final total.

GST Formula

GST Amount = (Amount × GST Rate) ÷ 100

GST is calculated by multiplying the original amount by the GST percentage.

Example Calculation

Input: Amount: ₹1000, GST Rate: 18%

Output: GST = ₹180, Total = ₹1180

Common Uses

  • Business invoices
  • Retail billing
  • Tax calculations
  • Purchase planning

Frequently Asked Questions

How is GST calculated?

GST is calculated as a percentage of the original amount.

Can I calculate GST for different rates?

Yes, common rates like 5%, 12%, 18%, and 28% are supported.

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