How to use the Plymouth Language Exposure Questionnaire (LEQ) to calculate the amount of exposure to English/Additional Language(s) a bilingual or trilingual child hears in a typical week. The link to the LEQ itself is at psy.plymouth.ac.uk/leq. Details of the LEQ calculations are published in Cattani, A., Abbot‐Smith, K., Farag, R., Krott, A., Arreckx, F., Dennis, I., & Floccia, C. (2014). How much exposure to English is necessary for a bilingual toddler to perform like a monolingual peer in language tests?. International Journal of Language & Communication Disorders, 49(6), 649-671.