How it works
From question to answer in seconds
1
Pick a free calculator
Choose from 8 free tools covering income tax, CPP, GST/HST, expenses, and more.
2
Get your instant estimate
Results calculate live in your browser. No account, no email, nothing sent to a server.
3
Go Pro to track your year
Save every calculation, monitor your year-to-date tax position, and never get surprised at filing time.
Calculators
Eight free tools across five areas
Pick the one that fits your question — no account needed, runs right in your browser.
Expenses & Deductions
Income & Rates
Business Setup
Sidehub Pro
One-time snapshots are useful.
One-time snapshots are useful.
A full-year picture is powerful.
Free tools give you an instant estimate. Sidehub Pro saves every calculation, tracks your income and tax position as the year unfolds, and keeps your GST/HST remittances and instalment dates in one place.
- Save all your calculations permanently
- Year-to-date income and tax tracking
- GST/HST remittance calendar
- Quarterly instalment payment planner
- Export-ready reports for your accountant
14-day free trial · Cancel any time