GST / Tax Calculator

Add or remove GST and sales tax from a price.

Mode

Net amount (before tax)

Tax rate (%)

Net amount—

Tax amount—

Gross (inclusive)—

Gross = Net × (1 + Rate ÷ 100)

Net = Gross ÷ (1 + Rate ÷ 100)

Example: $1,000 net at 18% → gross $1,180. Tax rules vary by country — confirm the rate that applies to you.