Lifetime Screen Hours Calculator
Project total screen hours across a whole childhood, in hours, days and years.
Four hours a day from age three to eighteen is 21,900 hours — 913 full days, or about 17% of an entire childhood.
Lifetime Screen Hours Calculator
Frequently asked
Is the Lifetime Screen Hours Calculator free?
Yes. Every tool on AlphaBetaMinds is free, needs no account and has no usage limit.
Does this tool store what I type?
No. It runs entirely in your browser. Your inputs are never sent to our server, and nothing is logged.
How accurate is it?
It uses the McCrindle generation boundaries (Gen Alpha 2010–2024, Gen Beta 2025–2039) and UN World Population Prospects vital rates. Sources and formulas are on our methodology page.
Can I use the result in an article or report?
Yes, with a credit and a link back to this page. See our terms of use for the full licence.
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