คะ in Female Questions and Calls for Attention | Thai Grammar

คะ is the standard Central Thai polite particle conventionally used by a female speaker in questions and attentive calls. It follows a content question—ห้องน้ำอยู่ไหนคะ “Where is the restroom?”—or a yes–no marker—รับใบเสร็จไหมคะ “Would you like a receipt?” It also follows a name or title used to recruit attention: คุณหมอคะ “Doctor?”

Female statement ค่ะ and question/attention คะ are different written words even though RTGS renders both as kha. The distinction is not agreement with the listener. A woman uses คะ when asking a man, woman, or group; a male speaker ordinarily uses ครับ for the corresponding polite question.

Question คะ follows the complete question frame

Thai keeps ordinary clause order. คะ closes the interactional unit; it does not replace the question word or question particle.

Question type	Productive stack	Requested response
yes–no	proposition + ไหม + คะ	positive or negative predicate
“yet?”	proposition + หรือยัง + คะ	แล้ว / ยัง
content	clause with ใคร/อะไร/ที่ไหน + คะ	the missing person, thing, or place
confirmation	proposition + ใช่ไหม + คะ	confirmation or correction
attention	name/title + คะ	listener's attention or acknowledgment
softened appeal	request/reminder + นะคะ	cooperation or shared attention

ตอนเย็นสะดวกคุยไหมคะ

ton yen saduak khui mai kha

Would it be convenient to talk this evening? (ordinary polite yes–no question, female speaker; addressee omitted)

ส่งใบยืนยันแล้วหรือยังคะ

song bai yuenyan laeo rue yang kha

Have you sent the confirmation yet? (ordinary polite question, female speaker; addressee omitted)

ต้องนำเอกสารไปส่งที่ไหนคะ

tong nam ekkasan pai song thi nai kha

Where do the documents need to be delivered? (ordinary polite content question, female speaker)

นัดไว้วันอังคารใช่ไหมคะ

nat wai wan angkhan chai mai kha

The appointment is on Tuesday, right? (ordinary polite confirmation question, female speaker)

English changes auxiliaries and fronting across these translations. Thai leaves the proposition intact, puts the interrogative expression in its answer slot, and adds คะ after the full question material.

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Do not use คะ as the question itself. First build ไหม, หรือยัง, ใช่ไหม, or the relevant wh-question; then place คะ after that complete frame.

Attention คะ

After a name, title, kin term, or role used vocatively, คะ calls for attention before the speaker continues. It is comparable to a polite “excuse me” or a responsive “yes?” only at the level of social action; it is not a noun meaning madam.

อาจารย์คะ ขอถามเรื่องงานหน่อยค่ะ

achan kha kho tham rueang ngan noi kha

Professor, may I ask about the assignment? (polite, female student; attention คะ followed by a statement-like request ending ค่ะ)

คุณมาลีคะ มีแขกมารอด้านหน้าค่ะ

khun mali kha mi khaek ma ro dan na kha

Khun Mali, a visitor is waiting at the front. (ordinary polite attention call followed by a female statement)

One female speaker can therefore use both forms in the same turn. The vocative recruits the listener with คะ; the following clause delivers information with ค่ะ. A comma in English translation does not determine the Thai particle—the interactional job does.

Standalone คะ? can answer a call, ask the other person to continue, or request repetition. Its interpretation comes from the prior turn and intonation.

คุณแพรวคะ — คะ มีอะไรหรือเปล่าคะ

khun phraeo kha kha mi arai rue plao kha

Khun Phraeo? — Yes? Is something the matter? (ordinary polite attention and response between female speakers)

The three written instances are all คะ, but they target different units: the name call, the response to being called, and the final question.

The same request in three relationships or stances

All three turns seek the same action—drawing a curtain—but package the relationship differently.

ช่วยเลื่อนม่านให้หน่อยได้ไหมคะ

chuai luean man hai noi dai mai kha

Could you please draw the curtain? (ordinary polite question-request, female speaker to an unfamiliar adult or colleague)

ช่วยเลื่อนม่านให้หน่อยนะคะ

chuai luean man hai noi na kha

Please draw the curtain for me. (warm polite appeal, female speaker to a respected or familiar listener)

เลื่อนม่านให้หน่อย

luean man hai noi

Draw the curtain for me, please. (informal but softened by หน่อย; female or male speaker to a close person)

The first explicitly asks whether the listener can comply. The second uses นะคะ to recruit cooperation without a polar question. The third relies on closeness and หน่อย. Adding or removing คะ is therefore a relationship and stance choice, not equivalent to adding or deleting English punctuation.

Particle-stack contrasts

Question and stance particles precede คะ:

ไหมคะ: open yes–no question, ordinary polite.
หรือเปล่าคะ: explicit “or not?” alternative, ordinary polite.
ใช่ไหมคะ: confirmation of a proposition already considered likely.
ล่ะคะ: prompts about a contrasted topic or follows up (spoken); force depends on context.
นะคะ: listener-oriented reminder, request, reassurance, or appeal; not necessarily a question.

แล้วเอกสารอีกชุดล่ะคะ ต้องส่งวันนี้ไหมคะ

laeo ekkasan ik chut la kha tong song wan ni mai kha

And what about the other set of documents—does it need to be sent today? (ordinary polite spoken follow-up, female speaker)

กรุณาตรวจเลขบัญชีอีกครั้งนะคะ

karuna truat lek banchi ik khrang na kha

Please check the account number once more. (formal-polite reminder, female voice; standard นะคะ stack)

Standard spelling is นะคะ, never นะค่ะ. This is the major exception to the beginner shortcut “statement takes ค่ะ”: a reminder can have statement-like word order while the stack remains listener-oriented นะคะ.

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Learn whole endings together: ไหมคะ, ใช่ไหมคะ, หรือยังคะ, นะคะ. RTGS writes every final particle here as kha, so only Thai spelling preserves the distinction.

Intonation changes stance

Question words and particles make Thai questions identifiable; there is no rule that every polite question must copy one English rising contour. Intonation instead helps signal openness, expectation, urgency, surprise, repair, and warmth. A suspended or rising delivery of standalone คะ? invites continuation or repetition. A clipped delivery can sound brisk or surprised. Lengthened คะ may sound coaxing, especially attentive, incredulous, playful, or ironic depending on relationship.

These effects do not create new spelling or tense. RTGS kha omits tone and intonational contour. Informal chat may lengthen the spelling for expressive effect (informal), but standard neutral writing keeps คะ.

Relationship, reference, and omission

คะ is common with customers, strangers, seniors, teachers, and respectful colleagues. Close friends and family may omit it, or a speaker may keep it to be especially considerate, serious, apologetic, or playfully formal. The word alone cannot guarantee that a demanding question feels gentle; proposition, timing, facial expression, and voice all matter.

The particle does not require overt ฉัน or คุณ. In service conversation, turn-taking often makes the addressee obvious:

รับถุงกระดาษเพิ่มไหมคะ

rap thung kradat phoem mai kha

Would you like an extra paper bag? (ordinary polite service question, female speaker; you omitted)

Inserting คุณ in every question can sound unnecessarily heavy or distant. When identity is unclear, a name, title, kin term, or role can restore reference. For the broader system, see female speaker particles and reference.

Natural multi-turn dialogue

A female visitor asks a male receptionist about a meeting room.

ขอโทษนะคะ ห้องประชุมอยู่ชั้นไหนคะ

kho thot na kha hong prachum yu chan nai kha

Excuse me, which floor is the meeting room on? (ordinary polite appeal and question, female visitor)

อยู่ชั้นหกครับ ขึ้นลิฟต์ตัวซ้ายได้เลย

yu chan hok khrap khuen lip tua sai dai loei

It's on the sixth floor. You can take the elevator on the left. (ordinary polite answer, male receptionist)

ต้องแลกบัตรก่อนขึ้นไหมคะ

tong laek bat kon khuen mai kha

Do I need to exchange my ID card before going up? (ordinary polite follow-up, female visitor)

ต้องครับ กรุณาวางบัตรประชาชนบนเครื่องอ่านครับ

tong khrap karuna wang bat prachachon bon khrueang an khrap

Yes. Please place your ID card on the reader. (ordinary polite answer and instruction, male receptionist)

The visitor uses นะคะ to open an appeal and คะ after two question frames. She never needs to say ฉัน. The receptionist answers with the relevant predicate ต้อง, not with ครับ alone.

Common Mistakes

1. Using statement ค่ะ after a direct question

❌ ต้องการใบเสร็จแบบกระดาษไหมค่ะ

Incorrect standard female question ending—ไหม is followed by คะ.

✅ ต้องการใบเสร็จแบบกระดาษไหมคะ

tongkan bai set baep kradat mai kha

Would you like a paper receipt? (ordinary polite service question, female speaker)

2. Using คะ for a plain assertion

❌ ห้องประชุมอยู่ชั้นหกคะ

Incorrect standard particle for a plain female statement—use ค่ะ.

✅ ห้องอบรมอยู่ชั้นหกค่ะ

hong oprom yu chan hok kha

The training room is on the sixth floor. (ordinary polite statement, female speaker)

3. Reversing the stack

❌ พรุ่งนี้สำนักงานเปิดคะไหม

Incorrect particle order—question ไหม comes before polite คะ.

✅ พรุ่งนี้สำนักงานเปิดให้บริการไหมคะ

phrung ni samnakngan poet hai borikan mai kha

Is the office open for service tomorrow? (ordinary polite question, female speaker)

4. Writing นะค่ะ

❌ รอสักครู่นะค่ะ

Incorrect standard spelling—the listener-oriented stack is นะคะ.

✅ รอเจ้าหน้าที่สักครู่นะคะ

ro chaonathi sak khru na kha

Please wait for an officer for a moment. (ordinary polite service request, female speaker)

5. Repeating คุณ as though คะ required it

❌ คุณรับกาแฟไหมคะ คุณต้องการน้ำตาลไหมคะ

Overexplicit in one service turn—คะ does not require a repeated second-person pronoun.

✅ รับกาแฟไหมคะ ต้องการน้ำตาลเพิ่มไหมคะ

rap kafae mai kha tongkan namtan phoem mai kha

Would you like coffee? Would you like extra sugar? (ordinary polite service questions, female speaker; you omitted)

Key Takeaways

คะ marks a female speaker's polite question, attentive call, or listener-oriented appeal; it does not agree with the listener.
Put it after the full question frame: ไหมคะ, หรือยังคะ, ใช่ไหมคะ, or wh-expression + คะ.
After a vocative, คะ recruits attention; standalone คะ can answer a call or request repetition.
Write นะคะ, not นะค่ะ, even when the larger utterance is a reminder rather than a question.
Omit recoverable pronouns naturally, and use wording, relationship, and intonation—not the particle alone—to manage stance.

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