Business
GST Calculator Canada
- Browser-based
- No signup
This GST calculator Canada helps split 5% GST from prices or add GST to exclusive amounts. Useful for freelancers and small businesses billing Canadian clients—HST provinces may need combined rates entered manually.
HST provinces combine federal and provincial tax—enter the combined rate when applicable.
100% Client-Side
Your data never leaves your computer.
How to use this tool
Select inclusive/exclusive, enter amount, use 5% for federal GST or enter combined HST rate for provincial billing.
Worked example
Example: $105 inclusive → $100 pre-tax + $5 GST at 5%.
When to use this
- Canadian freelance invoices.
- Quick receipt checks.
- E-commerce checkout QA.
Common mistakes
- Using 5% where HST applies (13–15%).
- Forgetting zero-rated vs exempt goods.
- Quoting USD prices with CAD GST.
Related long-tail tasks
- hst calculator ontario
- pst gst calculator
- canada sales tax calculator
How it works
Enter an amount and GST rate, then choose whether the amount is tax-exclusive or tax-inclusive to calculate GST, pre-tax value, and total. Results are educational estimates.
Limitations
Results are estimates for educational purposes and are not tax advice. GST rules vary by jurisdiction.
Privacy and file handling
Your data is processed in your browser and is not uploaded to our server.
Related GST Calculator guides
These pages use the same gst calculator with guides tailored to specific search intents.
Frequently asked questions
HST provinces?
Enter combined HST percentage manually if billing in ON, NS, NB, NL, PE.
PST separate?
Some provinces bill PST separately—this tool handles one rate at a time.
Business number?
Calculator does not validate GST/HST registration—consult CRA rules.
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Related pages
- Browse all free online tools on Utilnivo
- Explore more business tools on Utilnivo
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