Screen Time Life Percentage Calculator

Find what percentage of your life (so far) you've spent looking at a screen.

Inputs

Screen Time per Day (hours)

Age (years)

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Percent of Life

16.67%

Total Years So Far

5.00

Spark says

How it's calculated

Formula

\%\ of\ Life = \dfrac{Hours\ per\ Day}{24} \times 100

Hours\ per\ Day: — Average daily screen time

What is the Screen Time Life Percentage Calculator?

This calculator projects your average daily screen time across your full life so far, converting it into both a daily percentage and a cumulative total in years — a perspective check, not a precise usage log.

How to use it

1 Enter your average daily screen time.
2 Enter your current age.

Worked examples

4 hrs/day, age 30

16.67% of each day — about 5 years total so far.

Try it

Limitations

•Assumes a constant daily screen time across your entire life, which isn't realistic — actual usage has almost certainly varied a lot by age. Treat this as an illustrative estimate.

Frequently asked questions

Does this include work-related screen time?

It's up to you — enter whatever definition of 'screen time' you want to measure (all screens, just recreational, etc.). The calculator doesn't distinguish between them.