Live to 100 projects your lifespan from official life tables and your real habits, then shows exactly which habits add years and which ones are quietly costing you.
No account, no email, no sign-up. One click and everything runs right here in your browser.
Your plan updates daily based on your goals and the latest longevity signals.
Based on population-level life tables for your age, sex, and country.
Source: CDC/NCHS 2021Adjusted for your habits, goals, and daily choices.
Population-based statistical estimate. Not an individual medical prediction. See sources below.
Current estimate 91.6 years. This model is directional, so Live to 100 shows a range instead of pretending to know the exact day.
This shows how much distance is left to age 100, and which changes actually close that gap.
The model says you are 8.4 years short of age 100 on the current path.
We start with official life tables, then adjust for your habits and daily choices so you can see what is actually moving your number.
Your biological age estimate gets pulled lower when your daily inputs trend in the right direction.
Live to 100 ranks the realistic next steps that look like they would buy you the most extra time.
Enjoy every minute.
This clock counts down to your current lifespan estimate. It re-anchors the moment your inputs or plan change, so every healthy choice literally adds time to the board.
Drag the sliders and watch your number react. The estimate, hourglass, and trajectory map all update instantly.
Get fast answers about your number, what moved it, and what deserves attention this week.
Instant answers generated on your device. Nothing is sent anywhere.
Live to 100 turns your report into a practical seven-day plan, so you always know the next move.
Log what you actually did today, then watch your number respond.
Live to 100 saves your estimate each day you visit, so you can see a real trend instead of a single number.
Everything above was built from the quick questions you already answered. The add-ons below are optional. Fill in any of them and new deep-dive cards unlock below instantly. Nothing you enter ever leaves your browser.
Add a few optional biomarkers so the projection can respond to something more concrete than habits alone.
Add a few common wearable metrics so readiness, aerobic fitness, and sleep consistency can influence the plan.
Add the therapies or support layers you are already using, so the plan does not treat you like a blank slate.
Life is the most precious thing in the universe.
The extraordinary chain of events that had to occur for you to be alive, here and now, is almost impossible to comprehend. You have already won the most remarkable lottery imaginable: the opportunity to experience life.
And yet, it is easy to take our limited time on Earth for granted.
Life is not short because it lacks days. It is short because too many of those days can pass without us truly noticing them.
Take care of yourself. Protect your health, your peace, and the people you love. Do not postpone joy until everything is perfect, because perfection is a horizon that keeps moving.
One of my favorite quotes is:
"Learn something about everything, and everything about something."
Let your life be both wide and deep. Explore the world. Become exceptional at something that matters to you. Never allow yourself to believe that you are finished learning or growing.
Time is the one thing we spend without ever knowing our remaining balance. None of us knows how long we will be here, but I hope this website encourages you to take better care of yourself, remain curious, and make the most of the time you have.
Spend it wisely.
Spend it learning.
Spend it loving.
And above all, remember to enjoy it.
David Perry
