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Screen Time Cost Calculator
See how your daily screen time adds up in days per year — and how many years of your life you may spend on screens.
Results
Enter your daily screen time to see how many days and years it adds up to.
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Frequently asked questions
- How are “years over a lifetime” calculated?
- We multiply your daily screen hours by 80 years and divide by 24 — the fraction of each day on screens, scaled across a lifetime. It's a projection, not a prediction.
- Should I include TV and laptop time?
- Yes, for the fullest picture. If you only have phone data, add a rough estimate for other devices — most people underestimate TV and work browsing.
- Is this medical advice?
- No. Comparisons about sleep, exercise, and health are for context only. Talk to a healthcare provider about concerns related to screen use or sedentary habits.