(-と)同じ{ぐらい/くらい}
Usage
The particle ぐらい/くらい "approximately" often occurs with 同じ to mean "about the same". About as - as, about the same - as -
Nと同じ{ぐらい/くらい}
N1と同じ{ぐらい/くらい}のN2
Examples
今、私が住んでいるアパートの広さは、この部屋と同じぐらいです。
The apartment's size, in which I am living in, is as wide as this room.
東京の物価はニューヨークと同じぐらい高い。
Tokyo's prices are as expensive as New York