GST calculator India (18%)

Add 18% GST to a price, or remove it from a GST-inclusive total. The rate is pre-set to the standard 18% slab — tap a slab (5%, 12%, 28%) or type your own.

Amount (₹)

GST rate (%)

GST slabs

Amount is the price before GST — we add GST on top.

—Net (before GST)

—GST amount

—Gross (with GST)

India's standard GST slab is 18%, with other slabs at 5%, 12% and 28% (as of 24.06.2026). For intra-state sales the GST splits in half as CGST + SGST (9% + 9% at 18%). This is an estimate, not tax advice — change the rate above if the law changes.

Everything runs in your browser. No upload, no sign-up.

How it works

STEP 1

Enter the amount

Type a price — before or after GST, depending on the mode you pick.

STEP 2

Pick the GST slab

Keep the standard 18% or tap a slab (5%, 12%, 28%). Then add or remove GST.

STEP 3

See the breakdown

Net, the GST amount and the gross total update instantly. All private.