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GST Calculator
Create instant GST invoices with our advanced calculator. Supports all tax slabs, custom rates, and provides a detailed tax breakdown.
₹
%
Tax Invoice
Summary of your calculation
Rate18%
Net Amount₹0.00
CGST (9.00%)₹0.00
SGST (9.00%)₹0.00
Total Tax+₹0.00
Total Payable Amount₹0.00
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How to use GST Calculator
- Enter the taxable amount in the input field.
- Select a standard GST rate (5%, 12%, 18%, 28%) or enter a custom rate.
- Choose 'GST Exclusive' to add tax or 'GST Inclusive' to remove tax.
- View the detailed tax invoice with CGST, SGST, and Total Amount.
Frequently Asked Questions
How is GST calculated?
GST is calculated as (Original Cost * GST Rate) / 100. For inclusive calculations, the formula is: GST Amount = Amount - [Amount x {100 / (100 + GST%)}].
What are CGST, SGST, and IGST?
CGST (Central GST) and SGST (State GST) are split 50-50 for intra-state transactions. IGST (Integrated GST) applies to inter-state transactions.
Can I calculate GST for gold or diamonds?
Yes! Use the 'Custom Rate' field to enter 3% for gold or 0.25% for rough diamonds.
Is this calculator accurate for 2025?
Absolutely. We use the latest formulas and allow custom rates to ensure 100% accuracy for all goods and services.
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