Grammar › N2 · 13 Obligation and permission
〜てもかまわない: it doesn't matter if; may
N2 · 13 Obligation and permission
Says that it is fine to do something, or the action causes no problem.
Verb te-form + もかまわない. Similar to 〜てもいい but a little formal and often used when permitting. A related form is 〜ても差し支えない, which is even stiffer. The polite question is 〜てもかまいませんか.
Examples
ここで待っていてもかまいませんか。
Is it all right if I wait here?
多少遅れてもかまいませんので、ご都合のよい時間にお越しください。
It doesn't matter if you are a little late, so please come at a time that suits you.