Finance

GST Calculator

Add or remove Goods & Services Tax at any rate — works for India, Australia, NZ, Singapore, Canada.

Formulas:
Add GST: Total = Amount × (1 + GST%)
Remove GST: Base = Amount / (1 + GST%)
GST Amount = Total − Base

GST Rates by Country

CountryStandard Rate
India5%, 12%, 18%, 28%
Australia10%
Canada5% (+ provincial)
Singapore9%
New Zealand15%