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Hangul: The Korean Alphabet Guide

October 16, 2025
5 min read

Hangul: The Korean Alphabet Guide

Learning Korean starts with its alphabet, Hangul. Unlike many writing systems that evolved over centuries, Hangul has a known creator and a clear purpose. This guide walks you through its history, design, and how you can start reading it.

A Brief History of Hangul

In the 15th century, Korea used Classical Chinese characters for writing. This system, known as Hanja, was complex and limited literacy to the upper classes. Recognizing this problem, King Sejong the Great commissioned the creation of a new, simple alphabet. The result was Hangul, introduced in 1446 through a document called the Hunminjeongeum, or "The Proper Sounds for the Instruction of the People."

Hangul was designed to be easy. Its motto was, "A wise man can acquaint himself with them before the morning is over; a stupid man can learn them in the space of ten days." Despite initial opposition from scholars, Hangul endured. It is now a source of national pride and a key reason for Korea's high literacy rate.

The Philosophy Behind the Letters

Hangul is unique because it is a featural alphabet. The shapes of the letters are not arbitrary; they correspond to the shape your mouth makes when producing the sound.

Consonants are based on five basic shapes representing the placement of the tongue, palate, teeth, and throat. For example, the consonant ㄴ (n) depicts the tongue touching the roof of the mouth. Vowels are constructed from three core elements: a dot (•) for the sun (a heaven sound), a horizontal line (ㅡ) for the earth (a flat sound), and a vertical line (ㅣ) for man (an upright sound). These combine to form other vowels like ㅗ (o) and ㅏ (a).

This scientific design makes Hangul remarkably logical.

The Hangul Alphabet: Consonants and Vowels

Hangul has 19 consonants and 21 vowels. These combine into syllabic blocks, not a linear string of letters. Let's look at the basic set.

Basic Consonants (14) These are the core consonants. Many have doubled versions for a stronger, aspirated sound.

  • ㄱ (g/k)
  • ㄴ (n)
  • ㄷ (d/t)
  • ㄹ (r/l)
  • ㅁ (m)
  • ㅂ (b/p)
  • ㅅ (s)
  • ㅇ (silent/ng)
  • ㅈ (j)
  • ㅊ (ch)
  • ㅋ (k)
  • ㅌ (t)
  • ㅍ (p)
  • ㅎ (h)
  • Basic Vowels (10) The fundamental vowels form the basis of the larger vowel system.

  • ㅏ (a)
  • ㅑ (ya)
  • ㅓ (eo)
  • ㅕ (yeo)
  • ㅗ (o)
  • ㅛ (yo)
  • ㅜ (u)
  • ㅠ (yu)
  • ㅡ (eu)
  • ㅣ (i)
  • These basic vowels combine to create the remaining 11 vowels, such as ㅐ (ae) and ㅚ (oe).

    How to Form Syllabic Blocks

    This is the heart of reading Korean. Letters are not written left to right in a line. Instead, they are grouped into square-like blocks, each representing one syllable.

    A block must have at least one consonant and one vowel. The fundamental patterns are:

    1. **Consonant + Vowel (CV):** The vowel is written to the right of or below the consonant. * ㄱ + ㅏ = 가 (ga) * ㅅ + ㅜ = 수 (su)

    2. **Consonant + Vowel + Consonant (CVC):** The final consonant, called a batchim, is placed at the bottom. * ㅎ + ㅏ + ㄴ = 한 (han) * ㄱ + ㅡ + ㄹ = 글 (geul)

    Put those two blocks together and you get 한글 (Hangul), the name of the alphabet itself.

    Pronunciation Tips for Beginners

    Pronunciation is where the real practice begins. Some sounds don't have direct English equivalents.

    **ㅓ (eo):* This is an "uh" sound, as in the "u" in "fun." It is different from ㅗ (o). **ㄹ (r/l):* This is a sound between an R and an L. Tap the tip of your tongue against the roof of your mouth, much like the Spanish "r" in "pero." **Aspirated Consonants:* Letters like ㅋ (k), ㅌ (t), and ㅍ (p) involve a strong puff of air. Compare 파 (pa) and 바 (ba). Feel the air on your hand with 파. **The Consonant ㅇ:* This letter has two functions. At the beginning of a syllable, it is a placeholder with no sound (as in 아이 "ai" meaning child). At the end of a syllable, it sounds like "ng" (as in 강 "gang" meaning river).

    Practice listening to native speakers to fine-tune these sounds.

    Why Hangul is a Learner's Best Friend

    Forget years of study just to read a menu. Hangul's logical structure is its greatest advantage. You can learn the entire alphabet in a few focused hours. This immediate access to reading and writing is incredibly motivating. It allows you to sound out words, read signs, and recognize vocabulary from day one. While Korean grammar and vocabulary present their own challenges, the writing system is a straightforward and empowering starting point.

    Ready to start? Grab a piece of paper and practice writing the basic consonants and vowels. Then, try combining them into simple blocks. You'll be reading Korean before you know it.