HST Calculator lets you calculate Canadian sales tax HST, GST, PST for any province or territory.

Whether you're adding HST/GST to a price or removing tax from a total, simply enter any amount, select your province, and calculate sales tax with complete breakdown. No internet needed. No account required.

ADD TAX OR REMOVE TAX
- Add Tax — Enter a pre-tax amount and instantly see the total with tax included
- Remove Tax — Enter a tax-inclusive price and extract the original subtotal

WHAT THIS APP CALCULATES
✅ HST (Harmonized Sales Tax) — Ontario, Nova Scotia, New Brunswick, PEI, Newfoundland & Labrador
✅ GST + PST — British Columbia, Saskatchewan, Manitoba
✅ GST + QST — Quebec
✅ GST only — Alberta, Yukon, Nunavut, Northwest Territories

WHO IS THIS FOR?
- Shoppers wanting to know the total cost before checkout
- Freelancers and contractors calculating invoice amounts with tax
- Small business owners verifying charges for clients
- Accountants and bookkeepers doing quick tax checks
- Students and newcomers learning how Canadian sales tax works
- Travelers visiting Canada who need to understand receipt totals

APP FEATURES
- Instant results as you type
- Full calculation history saved on your device
- Copy or share results in one tap
- Tax rates reference screen for all provinces
- Light, dark, and system themes
- English and French bilingual support
- Large text and accessible design
- Works 100% offline

CALCULATION HISTORY
Every calculation is saved locally on your device so you can refer back to previous results anytime. Delete individual entries or clear all history with one tap.

TAX RATES REFERENCE
Not sure what tax rate applies in each province? The built-in Tax Rates screen shows a complete breakdown of GST, HST, PST and QST for every province and territory in Canada.

PRIVACY
No account required. No personal data collected. All calculations stay on your device. Visit our website for more information: https://hst-calculator.ca

Disclaimer: This app is not affiliated with, endorsed by, or representing the Government of Canada or the Canada Revenue Agency (CRA). Tax rates are provided for informational purposes only and are sourced from the Canada Revenue Agency. Official information: https://www.canada.ca/en/revenue-agency.html