HST Ontario Calculator
Calculate Ontario's HST quickly and accurately with this free online tool, ideal for businesses and individuals needing reliable tax calculations.

Check It Yourself
About This Tool
The HST Ontario Calculator is an easy-to-use online tool designed to help users accurately compute Harmonized Sales Tax in Ontario, Canada.
Whether you're a business owner, accountant, or individual, this calculator simplifies the process of understanding tax amounts based on your net prices or gross totals.
Simply input your sale amount, choose the correct price type, and adjust the HST rate if necessary. Instantly, you'll see the HST amount, total payable amount, or reverse calculations from total to net value.
This tool ensures compliance with Ontario's sales tax regulations and helps streamline your financial operations. It is suitable for various use cases, from invoicing to budgeting and tax planning.
Additional features include history tracking, currency formatting, and accessibility options to meet diverse user needs. With a modern and responsive design, it works seamlessly across desktops and mobile devices.
How to Use
1. Select whether entering a Net Price or Gross Total.
2. Enter the amount in the provided field.
3. Adjust the HST rate if needed (default is 13%).
4. Click 'Calculate' to see the HST amount and total.
5. Use options to copy, export, or reset as desired.

FAQs/Additional Resources
Find Quick Answers
What is the HST rate in Ontario?
Can I reverse calculate from total to net price?
Is this tool suitable for other provinces?
Can I save my calculations?
Does the calculator handle different currencies?
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