while one is at it

Conjunction

Meaning

while one is at it

While one is doing that; while one is carrying out that action (referring to another action one could accomplish at the same time.)
If you're going downtown anyway, could you return these books to the library while you're at it?

Source: en.wiktionary.org

Synonyms

while one is about it

Close letter words and terms

while loop while on a journey while one is about it while the cat's away, the mice will play while the going is good while traveling