Lifetime calculator
How many years of your life will you spend on your phone?
Four sliders, one answer. Everything is calculated in your browser – nothing is stored or sent.
Find your real number in Settings → Screen Time (iPhone) or Digital Wellbeing (Android).
At your current pace, you will spend about
13.3years on screens
of your remaining 64 years.
- of your waking hours
- 31%
- of your waking hours
- days per year
- 76
- days per year
- weekends per year
- 38
- weekends per year
Each square is one year of the rest of your life. Together, the green squares add up to about 13 years on screens.
With 30 min less a day, you get back
1.3 years
That is roughly 487 days – time for friends, sleep, sport or simply doing nothing.
Share your result
Your numbers only appear on the image you choose to share. The link leads to the empty calculator.
Take back your time with Think First.
Think First puts a short, deliberate pause in front of the apps that cost you the most time. Then you decide whether you really want to open them.
How it is calculated
- Remaining years = life expectancy − age.
- Years on screens = remaining years × hours per day ÷ 24.
- Share of waking hours = hours per day ÷ 16 (assuming about 8 hours of sleep).
- Time regained = remaining years × hours saved per day ÷ 24.
This is a model calculation, not a prediction. Not every hour on a screen is wasted – learning, work and talking to friends count too. The calculator only shows how habits add up over the years.
Frequently asked questions
- How many years of your life do you spend on your phone?
- It depends on your daily screen time. At 4 hours a day, that is one sixth of every day – over 60 remaining years, roughly 10 years. The calculator above shows the number for your own values.
- Where do I find my screen time?
- On iPhone: Settings → Screen Time → See All App & Website Activity. On Android: Settings → Digital Wellbeing & parental controls. The weekly average works best.
- Are my inputs stored?
- No. The calculation runs entirely in your browser. There is no sign-up, no storage and no transmission of your values. When sharing, you decide what you send.
- How do I reduce my screen time?
- Small hurdles often work better than strict bans. Think First puts a short pause in front of distracting apps so you can decide whether you really want to open them – on iPhone and Android.