Learning Loss Calculator
Estimate months of learning lost to absence or disruption, and the catch-up time needed.
Twelve weeks of disruption at 50% effectiveness costs about six weeks of learning — roughly 1.4 school months — and takes 8.6 weeks to recover at 70% catch-up efficiency.
Learning Loss Calculator
Frequently asked
Is the Learning Loss 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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