後１ヶ月かかります。

後１ヶ月かかります。

They won't be ready for another month.

後(こう)１ヶ月(かげつ)かかります。

Kō ichi kagetsu kakarimasu.

後 (あと)

behind; rear; after; later; after one's death; remainder; the rest; descendant; successor; heir; past; previous; more (e.g. five more minutes); left

一 (いち)

one; best; first; foremost; beginning; start; bottom string (on a shamisen, etc.)

カ月 (かげつ)

(number of) months

罹る (かかる)

to suffer from

Readings: ゴ、コウ、のち、うし.ろ、うしろ、あと、おく.れる

Meanings: behind, back, later

Readings: ゲツ、ガツ、つき

Meanings: month, moon