GST Calculator

Quickly calculate GST inclusive and exclusive amounts. Add or remove GST with ease for accurate financial calculations and reporting.

GST
10,000.00
123+ 456- 789× 0.=
%

Calculate GST

$

Your Results

Amount TypeGST Exclusive
GST Rate10%
Amount (Ex GST)
$10,000.00
GST Amount
$1,000.00
Total (Inc GST)
$11,000.00

This calculator provides estimates only. Please consult your accountant for tax advice.

How GST Works

Goods and Services Tax (GST) is a 10% tax on most goods and services sold in Australia. Businesses collect GST on sales and claim GST credits on eligible purchases.

Learn more about GST →
🛒
Collect

Add GST to your sales and collect from customers.

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Claim

Claim GST credits on business purchases and expenses.

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Report

Report and pay the difference to the ATO quarterly.

Common Use Cases

📄
Creating Invoices

Add GST to amounts before invoicing customers.

🧮
Quoting Jobs

Calculate total prices including GST for accurate quotes.

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Financial Reporting

Ensure accurate GST figures in your BAS and reports.

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Budgeting

Forecast GST liabilities and cash flow accurately.

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Need help with your GST reporting?

Our finance experts can help you stay compliant and optimise your business finances.