Canadian Sales Tax Calculator

by optimum.utils · Shopping

Manifest V3 Free

View in Chrome Web Store Data as of 15 Oct 2026

Calculate sales tax for Canadian provinces

Users

−1 in 30 days

Rating

5.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#191K

#160K among extensions

Version

1.1

updated 19 Nov 2024

Users

monthly, 2 years

Latest, 15 Oct 2026: 10 usersMove the mouse over the chart for any month

Ratings count

monthly, 2 years

Latest, 15 Oct 2026: 1 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Canadian Sales Tax Calculator

Calculate GST, HST, PST, and QST instantly for all provinces and territories. Features: - Supports all provinces and territories - Calculates GST, HST, PST, and QST - Real-time calculations - Remembers your last province selection - Simple and easy to use interface Perfect for: - Online shoppers - Small business owners - Accountants - Anyone needing quick tax calculations Supported tax systems: - GST only (5%) - GST + PST - HST (Harmonized Sales Tax) - Quebec's GST + QST system Privacy: This extension works entirely offline and doesn't collect any user data."