This is the 142nd most frequent Bulgarian word.
колко
"Колко" means "how much" or "how many" in English.
колко is used as an interrogative adverb to inquire about the time.
Колко е часът?
What time is it?
колко is used as an interrogative adverb in a relative clause to indicate the quantity or cost.
Не знам колко точно струва това.
I do not know exactly how much it costs.
колко is used as an exclamation to express emphasis or admiration regarding the extent of beauty.