Small, Smaller, yet Smaller

Asriel: Chara? Wow, you're smaller than this ant-sized Froggit, I'm surprised I can still see you.
Chara: Can you hear me too?
Asriel: ... Actually, loud and clear. How did you do it?
Chara: Determination, like when you were ant-sized compared to me.

Chara is only a few millimeters tall, making her smaller than an ant. Or an ant-sized Froggit for that matter.
Despite the worrying size, this scenario is almost similar to when Chara was a giant.