GST Calculator
Add or remove GST instantly — free.
🔒 Everything above runs on your device — gst calculator never uploads your file anywhere.
Quickly calculate GST at 5%, 12%, 18% or 28% and see the tax amount, CGST/SGST split and final price. Whether you need a GST-inclusive or GST-exclusive figure, this tool helps Indian sellers price products and cross-check invoices in seconds. It runs entirely in your browser, so your numbers stay private.
How it works
- 1Enter the amount you want to calculate.
- 2Choose the GST rate — 5%, 12%, 18% or 28%.
- 3Select add GST or remove GST.
- 4View the tax amount and CGST/SGST split.
Frequently asked questions
Can I both add and remove GST?+
Yes. You can add GST to a base price or extract GST from a GST-inclusive amount with one click.
Does it show the CGST and SGST split?+
Yes. The calculator splits total GST into equal CGST and SGST components for intra-state sales.
Which GST rates are supported?+
All common Indian slabs — 5%, 12%, 18% and 28% — plus any custom rate you enter.
Is the GST calculator free?+
Yes, it is completely free, and it runs privately in your browser.