How to Say ‘Is it on?’ in Japanese
入ってる？
haitsu teru
[hai- (as in hairu, with a small pause before っ) teh-roo]
💬 Usage Tip: [入ってる？] is casual for “[入っていますか]?” meaning “is it switched on?”
🇯🇵 In Japan: Even landlords may use casual speech. You can reply politely; mismatched formality is normal in Japan.
Phrase Breakdown
入っ
haitsu
[hai- (as in hairu, with a small pause before っ)]
entered; on; turned on (casual stem, as in 入ってる)
入っ is from 入る. In this context (電源が入ってる), it means “turned on / has power.” Casual speech.
電源、入ってる？それとも切れてる？
Is the power on? Or is it off?
てる
teru
[teh-roo]
is/are doing (casual contraction of ている)
てる is a casual contraction of ている. 入ってる = 入っている = “is on / is in.” Common in spoken Japanese.
電源は入ってるけど、お湯が出ません。
The power is on, but hot water doesn’t come out.
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