How many years is 4.5 hours of daily screen time across a lifetime?

At 4.5 hours per day across 56 remaining years of adulthood, that equals over 91,980 hours or 10.5 FULL CONSECUTIVE YEARS (24/7 non-stop) staring at glass screens.

How is the conscious awake life share calculated?

Assuming 8 hours of sleep per night, humans have 16 conscious waking hours per day. 4.5 hours of screen time consumes 28.1% of your entire waking life.

Is any phone usage data transmitted to servers?

No, never. All calculations execute 100% locally in your browser memory.

Everyday Tools

Screen Time & Phone Addiction Lifetime Impact Calculator

Interactive in-browser Screen Time and Phone Addiction Lifetime Impact Calculator. Calculate the cumulative consecutive years, share of conscious awake life, and yearly days lost to smartphone and computer screen usage. Features digital detox swap opportunities and 1-click PNG Digital Freedom cards.

100% In-Browser Privacy

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How to Calculate Lifetime Screen Time in 3 Steps

Enter Daily Screen Time

Input your average daily screen time (from iOS Screen Time or Android Wellbeing).

Set Age & Lifespan

Configure your current age and target lifespan.

Inspect Lost Years & Download

View your total lifetime screen years, awake life ratio, and download your freedom card.

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