Actuarially Grounded · Research-Backed

How much room
do you have?

Everything you'll ever earn, save, and build — minus everything your life will cost. Projected year by year, for your specific situation. One number. Complete clarity.

Build My Life CapitalHow it works

No credit card required · 90-second setup · Your data stays yours

Our Purpose

Self-reliance starts with measurement.

Nobody owes you retirement. Nobody owes you security. But you deserve the tools to build both. Ledger Life shows you where you actually stand — not just your bank account, but your entire life position — so you can make decisions with your eyes open.

Your financial advisor sees your portfolio. Your doctor sees your vitals. Nobody sees how your health, earning power, relationships, and costs interact — all at once, in one place. That's what Life Capital does.

We show you the tradeoffs. We never tell you what to do. Change your spending, your career, your health habits — and watch exactly how it moves the needle. Every lever is visible. Every consequence is quantified. What you do with it is yours.

Self-reliance over entitlement
We give you the measurement. You make the decisions. Your position is yours to own — nobody else will do it for you.
Privacy by architecture
Everything runs on your device. Nothing leaves your browser without your explicit say-so.
Honest uncertainty
We show you what we don't know. Wide confidence bands mean we need more data — not that something is wrong.
Descriptive, not prescriptive
We surface tradeoffs and consequences. We never tell you what to value or how to live.
Calm over urgency
No scare tactics. No manufactured anxiety. Clear information, calmly presented.

How It Works

Start in 90 seconds.

Every data point you add tightens the confidence interval. Start rough, sharpen over time.

01Estimated

Answer a few questions

~90 seconds

Income, age, savings, living situation, health basics. We estimate your Life Capital and retirement readiness age (t*) from actuarial tables and population data.

Wide confidence interval — but still useful.

02Refined

Sharpen your score

~5 minutes

Add financial detail, health markers, social connections, compensation structure, and personality traits. Each data point narrows uncertainty and moves t*.

Confidence tightens with every input.

03Verified

Track over time

Ongoing

See how life events — raises, health changes, new obligations — shift your retirement readiness. Full attribution on every move. Connected accounts coming soon.

Highest fidelity. Full audit trail.

Everything you need, in one place.

When can you stop working?

Life Capital adds up everything you'll ever earn, save, and grow — then subtracts everything your life will cost, from rent to healthcare to taxes to raising kids. It projects this year by year, accounting for the probability that you'll be alive and healthy at each age. The headline: the earliest age where your income becomes optional — your t*.

t* = 58
example retirement readiness age
95% confidence you stay solvent without a paycheck

Four Dimensions + Obligations

Your complete balance sheet.

what you have

Financial Capital

Your savings, investments, retirement accounts, and home equity — plus what you'll save going forward. Discounted at the AA corporate yield curve, term-matched by maturity.

what you'll earn

Human Capital

The total value of every future paycheck — adjusted for your industry, education, age, geography, and career trajectory. Income mean-reverts toward your conditional median. Usually your biggest asset when you're young.

how long you'll live

Health Capital

Your personal life expectancy from an 18-factor Gompertz survival model — not a national average. Your healthspan determines when earning stops. Health also modifies income capacity and healthcare costs.

who's in your corner

Social Capital

Strong relationships boost your income, soften financial shocks, and extend your life. Close bonds, professional networks, and community involvement — all with dollar-valued impact through research-backed channels.

what your life costs

Obligations

Everything you're on the hook for — healthcare, housing, food, transportation, taxes, debt, kids, college, insurance, and long-term care. 15+ categories built from BLS data, projected every year.

how you execute

Behavioral Modifier (β)

Your personality and habits modify flows across all four dimensions — investment decisions, career growth, health maintenance, spending discipline. Optional Big Five assessment; neutral by default. Not a separate bucket — embedded in everything.

Methodology

How Life Capital works.

We project your life forward year by year — from today until the end. Every year, we estimate what comes in and what goes out, adjusted for the likelihood you'll be alive and healthy. Then we add it all up in today's dollars.

Life Capital = Financial + Earning Power + Social + Health − Obligations
behavioral efficiency (β) modifies each annual flow
Projected year by year · survival-weighted · discounted at AA corporate yield curve (term-matched)
We run 2,000 Monte Carlo paths per profile — stochastic market returns, income growth, inflation, and medical inflation. Cross-dimension interactions (financial stress affects health; health affects savings; social capital boosts earnings) compute every year.
What you have
Financial Capital

Your savings, investments, retirement accounts, home equity, and what you'll save going forward. Discounted at the AA corporate yield curve, term-matched by maturity. Portfolio returns reflect institutional capital market assumptions updated quarterly.

Federal Reserve SCF; US Treasury HQM yield curve
What you'll earn
Human Capital

The total value of your future earnings — adjusted for your industry, education, age, geography, and career trajectory. Income mean-reverts toward your age×sector×state conditional median. Usually your biggest asset when you're young.

Bureau of Labor Statistics OES/CPS; Gottschalk & Moffitt 2009
How long you'll live
Health Capital

Your personal life expectancy built from 18 risk factors via a Gompertz-Makeham survival model — not a national average. Your healthspan determines when earning capacity ends. Health also modifies income utilization and healthcare costs.

SSA 2024 life tables; 661K+ participants (Arem 2015, Global BMI 2016)
Who's in your corner
Social Capital

Strong relationships boost your earnings, cushion financial shocks, and extend your life. Close bonds, professional networks, and community involvement all have dollar-denominated impact on your Life Capital through research-backed transmission channels.

309,000 participants; Holt-Lunstad 2010; Armona 2025; Chetty 2022
What your life costs
Obligations

Everything you're on the hook for: healthcare, housing, food, transportation, taxes, debt payments, kids, college, insurance, and long-term care — 15+ categories. All built from BLS Consumer Expenditure data, adjusted for your age, income, household size, and projected year by year.

BLS CEX 2023; MEPS 2022; USDA CNPP 2023; College Board 2024
How you execute
Behavioral Modifier (β)

Your personality and habits shape how efficiently you convert income into wealth. Four channels — investment decisions, career growth, health maintenance, spending discipline — modify the flows in every other dimension. Optional Big Five assessment; neutral by default.

Willroth et al. 2025; Judge 2012; Nyhus & Pons 2005
Retirement

You don't retire at an age.
You retire at a number.

Retirement isn't a birthday. It's the point where you no longer need to earn — where everything you have covers everything your life will cost, with room to spare, even in a bad scenario.

Most tools ask “can I retire at 65?” That picks an arbitrary age and hopes the money lasts. We flip the question: given your current trajectory, when is the earliest point where your income becomes optional?

Save more — the point moves closer. Get healthier — your costs drop and your timeline extends. Change careers — your earning curve shifts. Every decision you make moves the line. We just show you where it is.

The old way
“I'll retire at 65.” Pick an age. Save what you can. Hope it's enough. The age is arbitrary. The math is an afterthought.
The Life Capital way
Project everything forward. Find the earliest point where you're covered without a paycheck — even if markets drop, even if you live longer than expected. That's your number. Change your inputs, watch it move.
Built on Evidence

Every number
has a source.

No black boxes. No proprietary formulas. Every number in your score traces back to published research with a citation and a date. You can check our work.

Build My Life Capital →

No account required · 90 seconds · Runs on your device

256
Tests passing
math engine validation
18
Health factors
Gompertz survival model
2,000
Monte Carlo paths
per score calculation
80+
Parameters
every one cited and dated