Canada GST Calculator
Calculate Canada GST with a default 5% federal rate and optional custom override.
Regional Rule Context
Canada Rates and Rules
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Result
Enter values above and click Calculate to see your result.
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Calculate Canada GST with a default 5% federal rate and optional custom override.
Disclaimer: This calculator uses publicly available rules effective as of Jan 1, 2025 (version 1.0). Results are for informational purposes only. Always verify with official sources or a qualified professional. Last reviewed: Mar 1, 2026.
Formula
Use this for federal GST math. For HST or PST combinations, enter the combined rate you need.
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