GST Calculator

Add or remove GST and split into CGST / SGST / IGST.

GST inputs

Amount

$

GST rate

%

Amount type

Total (with GST)

$14.16

GST amount

$2.16

@ 18%

Net amount (pre-GST)

$12.00

Tax split

CGST

$1.08

SGST

$1.08

IGST

$2.16

Intra-state supply uses CGST + SGST split equally; inter-state supply uses IGST at the full rate.

GST Calculator · Generated 4/27/2026 · calcly.app/calculators/financial/gst

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About the GST Calculator

Updated April 24, 2026MethodologyHome

Add or remove GST and split into CGST / SGST / IGST. Use this free gst calculator to get instant results. All calculations run in your browser — nothing is sent to a server.

Frequently asked questions

What does this GST Calculator do?

Add or remove GST and split into CGST / SGST / IGST.

Is it free?

Yes — every calculator on Calcly is free, with no sign-up or account required.

Does it work offline?

The site is a Progressive Web App — after your first visit, most pages work without an internet connection.