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GST Calculator

This GST calculator helps businesses estimate tax on invoices, quotations, and price lists. It supports inclusive pricing, exclusive pricing, and interstate or intrastate tax treatment.

Read detailed guide

Enter your values

Indicative only. Validate final GST applicability and rates with your tax advisor.

Results update instantly as you edit inputs
Result

₹1,800

GST amount

Base amount₹10,000Taxable value before GST
GST amount₹1,800Calculated at 18%
Total amount₹11,800Invoice amount including GST
CGST / SGST split₹900 / ₹900Equal split for intra-state supply

Assumptions

The calculator assumes a single GST slab for the entered amount.
Inclusive mode back-calculates the taxable amount from the final value.

Calculator insights

You selected GST-exclusive pricing.
This estimate is structured for a CGST + SGST scenario.

How to use the GST Calculator

1

Enter the transaction amount or invoice value.

2

Select the GST percentage for the product or service.

3

Choose whether the amount is GST inclusive or exclusive.

4

Select intrastate or interstate tax treatment and review the result.

Why use this calculator

Estimate GST quickly before preparing an invoice.
Check how much tax is embedded in an inclusive selling price.
Understand CGST and SGST versus IGST treatment.
FAQ

Frequently asked questions about the GST Calculator

Can this GST calculator work for inclusive prices?

Yes. Choose inclusive mode and the calculator will back-calculate taxable value and GST amount from the total price.

Does this replace professional GST advice?

No. It is useful for quick estimates, but final tax treatment should be verified using the applicable GST rules for your business.