Work out language exposure hours instantly with clear inputs, formula shown and shareable results.
Exposure hours accumulate more slowly than learners expect. Forty-five minutes on five days a week is only 3.75 hours weekly, so a full year reaches 195 hours - about a third of the 600 hours the Common European Framework associates with reaching B2 in a related language.
Total hours
hours = daily minutes x days per week x weeks / 60
CEFR guide
roughly 600 guided hours from zero to B2 for a related language
Cambridge estimates 500-600 guided hours to B2 and 1000-1200 to C2 for a European language. Distant languages take two to three times longer.
Partially. Comprehensible input helps, but background exposure without attention contributes far less per hour than active study.