Korean：Knowing how to pronounce and use numbers such as age, time, money and phone number

Age, money, date, time, number of numbers, telephone number, number of times, etc. There are many occasions when numbers are used in daily life.
There are two types of number system in Korean, Sino-Korean system and Native-Korean system.
The pronunciation of these two systems is different, and there is a difference in how they are used, so this article will explain the difference.

Sino-Korean system

Sino-Korean system has a wide range of numerical applications such as Money, Month, Date, Minutes and seconds, Telephone number, Number, Age. This system covers the basic aspects of life, so it is very important to be familiar with it.

Here is a table to learn how to pronounce sounds.
（For those of you with a computer version of Chrome or Android phones, you can click on the text to hear the pronunciation.）

Number	Korean	Pron.
0	공, 영	kong, yeong
1	일	il
2	이	i
3	삼	sam
4	사	sa
5	오	o
6	육	yuk
7	칠	chil
8	팔	pal
9	구	gu
10	십	sip
11	십일	sibil
12	십이	sibi
13	십삼	sipsam
14	십사	sipsa
15	십오	sibo
16	십육	simnyuk
17	십칠	sipchil
18	십팔	sip-pal
19	십구	sipgu
20	이십	isip
30	삼십	samsip
40	사십	sasip
50	오십	osip
60	육십	yuksip
70	칠십	chilsip
80	팔십	palsip
90	구십	gusip
hundred	백	baek
thousand	천	cheon
10 thousand	만	man
billion	억	eok
trillion	조	jo

telephone number

In Korean phone numbers, such as 010-0102-3456, many numbers that begin with 010 are often pronounced 공일공, but with 0102, some people pronounce 영일영이, while others pronounce 공일공이.

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Native-Korean system

The Native-Korean system is used for a smaller range of numbers, especially for numbers in the Hour. (Minutes and seconds are used with the Sino-Korean system.)
The small range of numbers mentioned here, which generally feels like 20 or less, can be used with the Native-Korean system.
For example, one person (한 사람), two people (두 사람), three people (세 항람), five cups (다섯 잔)... and so on. etc.

The following is a list of numbers and pronunciations of the Korean system. (Note that the pronunciation may change when there is a unit after the number one to four.)

Number	Korean	Proun.	has a unit
1	하나	hana	한
2	둘	dul	두
3	셋	set	세
4	넷	net	네
5	다섯	daseot	-
6	여섯	yeoseot	-
7	일곱	ilgop	-
8	여덟	yeodeol	-
9	아홉	ahop	-
10	열	yeol	-
11	열 하나	yeolhana	-
12	열 둘	yeoldul	-
13	열 셋	yeolset	-
14	열 넷	yeollet	-
15	열 다섯	yeoldaseot	-
16	열 여섯	yeollyeoseot	-
17	열 일곱	yeorilgop	-
18	열 여덟	yeollyeodeol	-
19	열 아홉	yeorahop	-
20	스물	seumul	-
30	서른	seoreun	-
40	마흔	maheun	-
50	쉰	swin	-
60	예순	yesun	-
70	일흔	ilheun	-
80	여든	yeodeun	-
90	아흔	aheun	-
hundred	온	on	-
thousand	즈믄	jeumeun	-
10 thousand	드먼	deumeon	-
billion	잘	jal	-

年齡

The age, 1 year old (한 살), 2 years old (두 살), 3 years old (세 살), 4 years old (네 살), 5 years old (다섯 살), 6 years old (여섯 살), 7 years old (일곱 살), 8 years old (여덟 살), 9 years old (아홉 살), 10 years old (열 살), 20 years old (스물 살), 30 years old (서른 살).... and so on.
It is also possible to use the Sino-Korean system (mostly used after the age of 30), such as 35 = 삼십오 세, and the Native-Korean system is 서른다 살섯 살.

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A mix of Sino-Korean and Native-Korean systems in time.

As mentioned above, the Native-Korean system is used for the hours part of the time, and the Sino-Korean system is used for the minutes and seconds part of the time.
For example: 1:10:50 = 한 시 십 분 오십 초

한시 십분 오십초

As you can see from the example above.
for 시, use Native-Korean system, 하나，둘，셋，넷...etc.
for 분和초, use Sino-Korean system, 일，이，삼，사...etc.

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Count

Sino-Korean system and Native-Korean system can be used.

When using the Chinese system, the unit is 회.
ex：once(일 회)，twice(이 일)，three times(삼 일)...。

When using Native-Korean system, the unit is번.(Usually less than 30)
ex：once(한 번)，twice(두 번)，three times(세 번)...。

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