GST Calculator

Convert between GST-inclusive and exclusive amounts, and estimate your quarterly GST liability.

GST Converter

Convert amounts between GST-inclusive and GST-exclusive

GST-Inclusive Amount

GST-Exclusive$0.00

GST Amount (10%)$0.00

GST-Inclusive$0.00

Quick amounts:

GST Quick Reference

GST Rate10%

Registration Threshold$75,000/year

You must register for GST if your business turnover is $75,000or more per year. You can choose to register voluntarily if below this threshold.

Quarterly GST Liability

Estimate your GST owing for a quarter based on revenue and expenses

Quarterly Revenue (GST-inclusive)

Total invoiced amount including GST

Quarterly Business Expenses (GST-inclusive)

Business expenses where you paid GST (input tax credits)

GST Collected$0.00

GST Credits (Input Tax)-$0.00

GST Owing$0.00

Annual Projection

Estimated annual GST if this quarter is typical

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Disclaimer: This calculator provides estimates only and does not constitute financial or tax advice. Tax laws are complex and individual circumstances vary. Always consult a registered tax agent or accountant for advice specific to your situation. TaxRoo is not a registered tax agent.