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Personal finance

Plain-English money math.

Free calculators for the financial decisions worth thinking about — mortgages, debt payoff, savings, retirement. No signup, no email gate, all in your browser.

Tools

Guides

Plain-English notes on the money decisions worth understanding.

Canadian users

The TFSA contribution room calculator and the RRSP contribution limit calculator are here. We haven't built the federal mortgage stress test (the OSFI B-20 qualifying-rate math) yet. If you'd use it, drop us a line at hello@tooljo.com.

Don't see the calculator you need?

We're shipping new finance tools constantly. The fastest way to get one built is to request it — a 30-second form that composes an email straight to the founder. No long form. No marketing list. Just tell us what you need and why.