GST Calculator
Add or remove 10% GST from any amount.
Frequently asked questions
10% — it's been the standard rate since GST was introduced in July 2000. Some items (like most basic food, health and education) are GST-free; this calculator assumes the standard 10% rate applies.
Related calculators
Net WorthAdd up what you own and owe to see your net worth.
Savings GoalWork out how much to save each month to hit a savings target.
Currency ConverterConvert between currencies using up-to-date exchange rates.
Unit Price CalculatorCompare two products by their price per gram, per litre or per item to find the cheaper deal.