か分かる

know whether; know what/how something is

→ か
phrase Extremely common #354
know whether; know what/how something is Used after an embedded question (often containing a question word such as 何, どう, or どこ) to say that someone knows the answer or understands some information. In polite speech, use か分かります; in casual speech, use か分かる.
JA: これどういう意味か分かる?
EN: Do you know what this means?

この文どういう意味か分かる?

Do you understand what this sentence means?

なんで来たか分かる?

Do you know why I came?

— ダーク・プレイス (2015)

なんでオレが何してるか分かる?

Do you know what I'm doing?

— ブレット・トレイン (2022)

トムが何をしたいか分かる?

Do you know what Tom wants to do?

どうしてトムが嫌いか分かるよ。

I know why you hate Tom.

この単語って、どう発音するか分かる?

Do you know how to pronounce this word?

この箱、何でできてるか分かる?

Do you know what this box is made of?

何を考えてるか分かる?

Can you tell what I’m thinking?

なぜ上司が今週とっても機嫌が悪いか分かるかい。

Do you know why the boss is in such a bad mood this week?

今何時か分かる?

Do you know what time it is now?

トムが乗ってる飛行機、いつ着くか分かる?

Do you know when Tom’s flight is arriving?

何言っているか分かる?

Do you understand what I'm saying?

これ誰のか分かる?

Do you know whose this is?

これ誰の字か分かる?

Can you tell whose handwriting this is?

その馬を捨てて逃げたという女もどこへどうしたか分かるもんかい

How could anyone know where that woman who supposedly abandoned the horse and ran away went, or what became of her?

— 羅生門 (1950)

ここに来るためにどんな嘘をついたか分かる?

Do you know what kind of lie I told to get here?

— ニュー・シネマ・パラダイス (1988)

これどういう意味か分かる?

Do you understand what this means?

何の日か分かる?

Do you know what day it is?

今何時だか分かる?

Do you know what time it is?

どんな感じか分かる?

Do you know what it's like?

— ミスティック・リバー (2003)

何の話をしているか分かる?

Do you know what we're talking about?