Verbs · 하다 word

계산하다 conjugation

to pay (the bill); to calculate · gyesanhada · sounds like [계산하다]

Short answer: “To pay (the bill)” in Korean is 계산하다 (gyesanhada), which also means to calculate. Polite present: 계산해요 (gyesanhaeyo); past: 계산했어요 (gyesanhaesseoyo); future: 계산할 거예요. It is a 하다 verb: 하 + 아/어 always becomes 해.

Present계산해요[계산해요] · gyesanhaeyo
Past계산했어요[계산해써요] · gyesanhaesseoyo
Future계산할 거예요[계산할 꺼예요] · gyesanhal geoyeyo
Negative계산 안 해요[계산 안 해요] · gyesan an haeyo

Note: with noun + 하다 verbs, 안 and 못 go before 하다 — 계산 안 해요, not 안 계산해요.

계산하다 in sentences

계산해 주세요.The bill, please.
카드로 계산할게요.I’ll pay by card.

All forms of 계산하다

Present
Polite (해요) is the everyday safe choice; formal (합니다) is for news, announcements and work; casual (반말) is for close friends and younger people.
Form	Korean	Sounds like	Romanized
polite-아/어요	계산해요	[계산해요]	gyesanhaeyo
formal-(스)ㅂ니다	계산합니다	[계산함니다]	gyesanhamnida
casual-아/어	계산해	[계산해]	gyesanhae
plain (written)-(느)ㄴ다	계산한다	[계산한다]	gyesanhanda
formal question-(스)ㅂ니까?	계산합니까?	[계산함니까]	gyesanhamnikka?
is …ing (polite)-고 있어요	계산하고 있어요	[계산하고 이써요]	gyesanhago isseoyo

Past
Form	Korean	Sounds like	Romanized
polite-았/었어요	계산했어요	[계산해써요]	gyesanhaesseoyo
formal-았/었습니다	계산했습니다	[계산핻씀니다]	gyesanhaetseumnida
casual-았/었어	계산했어	[계산해써]	gyesanhaesseo
plain (written)-았/었다	계산했다	[계산핻따]	gyesanhaetda

Future
Form	Korean	Sounds like	Romanized
polite — will-(으)ㄹ 거예요	계산할 거예요	[계산할 꺼예요]	gyesanhal geoyeyo
formal-(으)ㄹ 겁니다	계산할 겁니다	[계산할 껌니다]	gyesanhal geomnida
casual-(으)ㄹ 거야	계산할 거야	[계산할 꺼야]	gyesanhal geoya
formal — I will (intention)-겠습니다	계산하겠습니다	[계산하겓씀니다]	gyesanhagetseumnida

Negative
Form	Korean	Sounds like	Romanized
not (short)안 …	계산 안 해요	[계산 안 해요]	gyesan an haeyo
did not안 …았/었어요	계산 안 했어요	[계산 안 해써요]	gyesan an haesseoyo
not (long)-지 않아요	계산하지 않아요	[계산하지 아나요]	gyesanhaji anayo
cannot못 …	계산 못 해요	[계산 모태요]	gyesan mot haeyo

Honorific
Add -(으)시- when the subject is someone you respect (a teacher, a customer, an older person) — not yourself.
Form	Korean	Sounds like	Romanized
honorific — present-(으)세요	계산하세요	[계산하세요]	gyesanhaseyo
honorific — past-(으)셨어요	계산하셨어요	[계산하셔써요]	gyesanhasyeosseoyo
honorific — formal-(으)십니다	계산하십니다	[계산하심니다]	gyesanhasimnida

Requests
Form	Korean	Sounds like	Romanized
please …-(으)세요	계산하세요	[계산하세요]	gyesanhaseyo
please … (for me)-아/어 주세요	계산해 주세요	[계산해 주세요]	gyesanhae juseyo
please don’t …-지 마세요	계산하지 마세요	[계산하지 마세요]	gyesanhaji maseyo
let’s … (formal)-(으)ㅂ시다	계산합시다	[계산합씨다]	gyesanhapsida
let’s … (casual)-자	계산하자	[계산하자]	gyesanhaja
do … ! (casual command)-아/어라	계산해라	[계산해라]	gyesanhaera

Connecting
Form	Korean	Sounds like	Romanized
… and-고	계산하고	[계산하고]	gyesanhago
… so / and then-아/어서	계산해서	[계산해서]	gyesanhaeseo
if …-(으)면	계산하면	[계산하면]	gyesanhamyeon
… but-지만	계산하지만	[계산하지만]	gyesanhajiman
because …-(으)니까	계산하니까	[계산하니까]	gyesanhanikka
… and / but (background)-는데	계산하는데	[계산하는데]	gyesanhaneunde
even if …-아/어도	계산해도	[계산해도]	gyesanhaedo
while …-(으)면서	계산하면서	[계산하면서]	gyesanhamyeonseo
in order to …-(으)려고	계산하려고	[계산하려고]	gyesanharyeogo
(go) to …-(으)러	계산하러	[계산하러]	gyesanhareo
before …-기 전에	계산하기 전에	[계산하기 저네]	gyesanhagi jeone
after …-(으)ㄴ 후에	계산한 후에	[계산한 후에]	gyesanhan hue

Describing a noun
These go before a noun: “the food (that) I ate”, “a cold day”.
Form	Korean	Sounds like	Romanized
(that) … now-는	계산하는	[계산하는]	gyesanhaneun
(that) …ed-(으)ㄴ	계산한	[계산한]	gyesanhan
(that) will …-(으)ㄹ	계산할	[계산할]	gyesanhal

Useful patterns
Form	Korean	Sounds like	Romanized
I want to …-고 싶어요	계산하고 싶어요	[계산하고 시퍼요]	gyesanhago sipeoyo
can …-(으)ㄹ 수 있어요	계산할 수 있어요	[계산할 쑤 이써요]	gyesanhal su isseoyo
cannot …-(으)ㄹ 수 없어요	계산할 수 없어요	[계산할 쑤 업써요]	gyesanhal su eopseoyo
have to …-아/어야 해요	계산해야 해요	[계산해야 해요]	gyesanhaeya haeyo
may … / it’s OK to …-아/어도 돼요	계산해도 돼요	[계산해도 돼요]	gyesanhaedo dwaeyo
must not …-(으)면 안 돼요	계산하면 안 돼요	[계산하면 안 돼요]	gyesanhamyeon an dwaeyo
…ing (noun)-기	계산하기	[계산하기]	gyesanhagi

How 계산하다 changes

Every 하다 word works the same way: 하 + 여 becomes 해 → 계산해요, 계산했어요. With other endings 하 stays as it is: 계산합니다, 계산하면.

How every verb type works → · Why it sounds like that →

Questions

How do you say “pay” in Korean?

“To pay (the bill)” is 계산하다 (gyesanhada), pronounced [계산하다]. In a sentence: 계산해 주세요. — The bill, please.

What is the past tense of 계산하다?

계산했어요 (gyesanhaesseoyo) is the polite past tense of 계산하다 (“to pay (the bill)”). Formal: 계산했습니다; casual: 계산했어.

How do you say 계산하다 politely?

Everyday polite: 계산해요 (gyesanhaeyo). Formal: 계산합니다. Casual, with close friends: 계산해.

How do you say “I want to pay” in Korean?

계산하고 싶어요 (gyesanhago sipeoyo), pronounced [계산하고 시퍼요].

Is 계산하다 irregular?

No. Every 하다 word works the same way: 하 + 여 becomes 해 → 계산해요, 계산했어요. With other endings 하 stays as it is: 계산합니다, 계산하면.

More 하다 words like 계산하다

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Forms follow 한글 맞춤법 (Korean spelling rules); pronunciation follows 표준 발음법 and romanization follows 국어의 로마자 표기법 (Revised Romanization). Last updated October 16, 2026. How we check