GST calculator

Add GST to a price, or remove it from a GST-inclusive total. Tap a country preset or type any rate — the rate field is yours to edit.

Amount

GST rate (%)

Country / rate

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

—Net (excl. GST)

—GST amount

—Gross (incl. GST)

Presets: Australia 10%, New Zealand 15%, Singapore 9%, India 5/12/18/28% (typical GST rates). This is an estimate, not tax advice — type your own rate if it differs.

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 a rate

Tap a country preset (Australia 10%, NZ, Singapore, India) or type your own rate.

STEP 3

See the breakdown

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