Free calculators
Privacy-first, client-side tools. No data is saved — everything runs in your browser.
Marginal tax-rate estimator
Estimate your marginal and effective tax rates and see how additional income would be taxed.
CPP & OAS timing estimator
Estimate CPP and OAS monthly amounts at different start ages. Uses simple assumptions and runs locally.
OAS deferral impact
Compare OAS monthly amounts at ages 65–70, see your break-even age, and check whether your income approaches the repayment (clawback) threshold.
CPP & OAS combined timing planner
Compare two start-age strategies side-by-side with a year-by-year income table from age 60 to 90. Highlights the break-even age between early and late starts.
Retirement gap / monthly target
Calculate how much you need to save each month to reach a nest egg or replace a target retirement income using a 4% rule.
RRSP vs TFSA comparison
Compare after-tax outcomes of RRSP contributions (and investing the tax refund) versus TFSA contributions.
4% rule estimator
Estimate portfolio needed for a target retirement income or the sustainable withdrawal from an existing portfolio.
$1000 rule
A quick heuristic to think in $1,000/month income blocks — estimate units provided by a portfolio or the portfolio needed for a target monthly income.
Pension vs lump-sum
Compare a defined benefit pension to an equivalent lump-sum and find the breakeven age.