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Canada GST Calculator

Calculate Canada GST with a default 5% federal rate and optional custom override.

Enter Values

Price

Calculation

GST Rate (%)

Enter values above and click Calculate to see your result.

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Tax = Price x GST Rate / 100

Use this for federal GST math. For HST or PST combinations, enter the combined rate you need.

Net 100 at 5% GST gives GST 5 and total 105.

GST is federal. HST combines federal and provincial components in participating provinces. Enter the combined rate for HST-style totals.

Yes. Choose Remove mode to extract pre-tax value from a GST-inclusive amount.

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