What is the 4% rule?
A rule of thumb: withdraw 4% of portfolio value annually in retirement. It is a starting point, not a guarantee.
Behavioral lens: Optimism bias
FIRE Calculator
Financial independence number, lean vs fat FIRE, and years to reach FI. Plus a behavioral lens on optimism bias so the math matches your mindset.
Educational estimates only. Not personalized advice. Data targets 2026 Canadian rules.
FIRE inputs
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Financial independence
FIRE number (4% rule)$1,350,000
Lean FIRE (70%)$945,000
Fat FIRE (150%)$2,025,000
Years to FIRE21
Savings rate24.0%
Gap to lean FIRE$825,000
Behavioral lens: Optimism bias
Optimism bias on financial independence
FIRE dates feel closer when markets are up and spending is ignored. Optimism bias shrinks the gap between lean FIRE and fat FIRE until a single bad year proves the difference.
Make FIRE a plan, not a fantasy
PsyFi tracks savings rate against personality so your FI date updates with reality.
Track your path to FIFAQ
Is this PsyFi calculator free?
Yes. Every PsyFi free tool runs in your browser with no signup. We built them to pair accurate Canadian math with behavioral science, not to gate basic estimates behind an account.
Does PsyFi store what I type?
No. Inputs stay on your device. Nothing you enter is sent to PsyFi servers.
Is this personalized financial advice?
No. These are educational estimates using published Canadian rules for 2026. They are not tax, legal, mortgage, or immigration advice. Confirm current rates and your situation with qualified professionals before acting.
Estimates for education only. Not financial, tax, mortgage, immigration, or legal advice. Canadian rules and rates change. Verify current figures with qualified professionals before making decisions. PsyFi tools add behavioral context; they do not replace personalized planning.