지불하다(ji-bul-ha-da, jibulhada)
The act of giving money or paying a cost
When to use
Contract payment, Bill settlement, Service fee payment
The nuance
지불하다 focuses on the act of paying money itself and is used in formal and broad contexts, such as contracts, bills, or service fees.
계산하다(gye-san-ha-da, gyesanhada)
The act of settling or calculating an amount, mainly in restaurants, stores, or similar settings
When to use
Paying at restaurant, Paying after shopping, Paying at cafe
The nuance
계산하다 is used when confirming and settling an amount, typically referring to paying after shopping or dining in everyday situations.