What daily platform usage adds up to over a decade, a career, and a lifetime — in concrete numbers.
Small daily numbers compound dramatically over time. An hour a day sounds modest. Over a year, it is 365 hours — about 15 full days. Over a decade, it is 3,650 hours — roughly five months of continuous waking time. Over a 40-year adult life, it is more than a year and a half spent on a single daily habit.
Most people who use social media and streaming platforms regularly are not spending one hour per day. The global average for social media alone is around 2 hours 21 minutes per day. Including streaming and other video content takes many people well past three hours daily.
Here is what various daily screen time levels translate to over 10 and 40 years of use:
| Daily usage | Per year | 10 years | 40 years |
|---|---|---|---|
| 1 hour | 15 days | 5 months | 1.7 years |
| 2 hours | 30 days | 10 months | 3.3 years |
| 3 hours | 45 days | 15 months | 5 years |
| 4 hours | 61 days | 20 months | 6.7 years |
| 5 hours | 76 days | 25 months | 8.3 years |
Calculated as daily hours × 365 days × years. One year approximated as 8,760 hours.
Time has an opportunity cost. Every hour spent consuming digital content is an hour not available for work, learning, relationships, physical health, creative projects, sleep, or any other use. The question of whether platform time is well spent depends on what you are giving up to spend it.
One useful framing is to assign a dollar value to your time — either your current hourly rate or an aspirational one — and calculate what your platform usage costs in those terms. At $25 per hour, two hours of daily social media use costs $18,250 per year in opportunity cost. At $50 per hour, it costs $36,500 per year.
This is not to say that entertainment and social connection have no value — they clearly do. But the calculation makes the implicit trade explicit: you are exchanging X hours of time, worth approximately Y dollars, for Z units of platform consumption. Whether that trade is favorable depends on the value you are actually getting from that consumption.
The reason Attention Leak shows these numbers in units of years rather than hours is specifically to make them legible. Two hours per day is an abstract number that does not feel significant in the moment. Five years of your life by age 60 does feel significant — because it is.
People who track their screen time and see the real numbers often describe a moment of recognition — not guilt, but clarity. They can see the trade they are making in concrete terms and decide whether it aligns with how they want to spend their time.
The goal of Attention Leak, at the individual level, is that same moment of recognition: here is what your habits cost over time, in units that are easy to understand. What you do with that information is your decision.
Enter your daily usage and hourly value to see what your screen time amounts to annually — and how it compares to a goal you care about.
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