Personal Calculators

Health scores and longevity projections, pet cost suite, life-event planning, wealth comparison with live billionaire ticker, and AI risk assessment tools. 24 free calculators — all client-side, no data leaves your browser.

Personal calculators — BMI, longevity, carbon footprint, pet costs, wedding budget

Life decisions carry hidden costs. Pet ownership over 15 years, a career break, a wedding, a divorce, maternity leave — each has a financial dimension that's easy to underestimate. These calculators surface the full picture: upfront costs, ongoing costs, opportunity costs, and lifetime totals. Every input stays in your browser; nothing is sent anywhere.