How to Use the GST Calculator

What is GST?

Goods and Services Tax (GST) is a comprehensive indirect tax levied on the supply of goods and services in India. It replaced multiple taxes like VAT, Service Tax, and Excise Duty.

Step-by-Step Guide

Select Calculation Type:
- Net → Gross: When you want to add GST to a price (e.g., calculating selling price)
- Gross → Net: When you want to find the base amount from a GST-inclusive price
Choose GST Rate:
Select the appropriate GST rate (5%, 12%, 18%, or 28%) based on the category of goods or services. Use the custom rate option for special cases.
Enter Amount:
Input the relevant amount (either net or gross, depending on your calculation type).
Select GST Type:
- CGST + SGST: For intra-state transactions (within same state)
- IGST: For inter-state transactions (between different states)
View Results:
The calculator will instantly show you the GST amount, final amount, and the GST breakdown.

Example Calculation

Scenario: Adding GST to a product price

Product cost (Net): ₹10,000
GST Rate: 18%
Transaction Type: Within same state (CGST + SGST)

Calculation:

GST Amount: ₹10,000 × 18% = ₹1,800
CGST (9%): ₹900
SGST (9%): ₹900
Final selling price: ₹10,000 + ₹1,800 = ₹11,800

Additional Features

Calculation History

Automatically saves your recent calculations for reference. You can clear the history or export it as needed.

Sharing Options

Export your calculation results as PDF, print them, or share them with colleagues or clients.

Quick Calculate

Use pre-set common calculations for faster results without manual entry.

Custom GST Rates

For special items with non-standard GST rates, use the custom rate option.

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Advanced GST Calculator

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Calculation History