1 calculator
Handle everyday business calculations faster.
Use the business tools for quick invoice and pricing estimates. Confirm the applicable tax rate, place-of-supply treatment and filing position with official guidance or a qualified professional.
Business calculators
Use the estimates well
Start with assumptions you can explain.
01
Add GST to a base price or extract it from an inclusive amount.
02
View the taxable value and GST component separately.
03
Read our calculation methodology
Treat the result as an estimate rather than filing advice.