Tools
Free calculators for the questions managers, boards and funders ask before they commit money. Everything runs in your browser and nothing you enter is sent anywhere.
Employers, HR and counsel
Pay transparency rule checker
Which pay-gap reports and pay-range rules apply to you in British Columbia, Ontario, the UK, the EU and Australia, with dates and official sources.
Any program or investment
ROI and payback calculator
Net present value, return per dollar and payback year for a program, project, hire or campaign, adjusted for benefits that would have happened anyway.
Product and marketing teams
A/B test sample size and duration calculator
Visitors per variant, weeks to run, the smallest lift you can detect, and what that lift is worth per week.
AI in expert analysis
The Evidence-Gated AI Checklist
Eight tests and a self-score for whether AI-produced analysis can be trusted: baselines, independent checks, calculated numbers, causal claims, provenance and more.
Research funders
Research break-even calculator
The yield gain per acre that pays back a year of crop research spending, with options for lags, adoption and discounting.