1. past tense of 'converter' - to change or transform something from one form, state, or system to another
He converted his dollars into euros.
Ele converteu seus dólares em euros.
2. to change someone's religious belief or persuade someone to adopt a different faith
She converted to Christianity after years of study.
Ela converteu-se ao cristianismo após anos de estudo.
3. to adapt or modify something for a different purpose or use
They converted the warehouse into apartments.
Eles converteram o armazém em apartamentos.