RupeeKit
Tax

GST Calculator India

Calculate GST amount and final invoice value by adding or removing GST from a price.

Educational estimate only

Calculator results can vary based on company policy, lender terms, tax law, investment assumptions or personal details.

Enter your values

Estimated results

GST amount

₹1,800

CGST estimate

₹900

SGST estimate

₹900

Final amount with GST

₹11,800

This calculator gives an educational estimate. Verify final numbers with your payslip, lender, tax advisor or official source.

Formula used

GST amount is taxable amount multiplied by GST rate. For intra-state examples, CGST and SGST are generally split equally.

Example calculation

For ₹10,000 taxable value and 18% GST, GST is ₹1,800 and final value is ₹11,800.

When this tool is useful

  • When you want a fast estimate before making a financial or salary decision.
  • When you want to compare different assumptions in seconds.
  • When you want to understand the formula behind the result.

FAQs

Does this calculator handle IGST?

The main GST amount is valid for both cases. CGST/SGST split is shown as a simple intra-state estimate.

Can GST rates change?

Yes. Always verify applicable GST rate for your product or service from official guidance or a tax professional.