GST Calculator
Calculate GST, reverse GST, and CGST/SGST or IGST splits — instantly.
Enter the taxable amount (before GST) or total depending on mode.
Applied GST
18%
GST amount
—
Total (incl. GST)
—
CGST
—
SGST
—
IGST
—
Toggle between Intra/Inter to see split.
Tip: Use quick rate buttons or enter a custom rate. Results update as you type.
About GST Calculator
Our GST (Goods and Services Tax) Calculator is a versatile tool that helps you calculate both inclusive and exclusive GST amounts. Whether you need to add GST to a base amount or extract GST from an inclusive amount, this calculator makes it simple and accurate. It’s particularly useful when working with invoices, pricing, or checking your profit margins
Features:
- Dual Functionality: Add or remove GST with a simple tab switch
- Common GST Rates: Quick buttons for standard GST rates (3%, 5%, 12%, 18%, 28%, 30%)
- Custom Rates: Option to enter any GST percentage
- Instant Calculations: See results as you type
Common Uses:
- Price quotations
- Business expense tracking
- Retail pricing calculations
- Profit/Loss analysis with tax considerations
- Budget planning with tax implications
How to Use:
- Choose whether to add or remove GST
- Enter the amount
- Select a GST rate or enter a custom rate
- View the detailed breakdown instantly
- Use Reset to start a new calculation
For more financial calculations, try our EMI Calculatores for loan payments or our Percentage Calculatores for basic percentage calculations. If you’re working with dates for tax periods, our Calculatores can help you determine exact periods.