Hello, I’m Kodak.
You may know that Japan’s currency is called the yen in English. Then you visit Japan, listen to a cashier, and hear something different:
百円です。
Hyaku en desu.
It is 100 yen.
In modern Japanese, 円 is pronounced en.
Yen is the established English and international name for the same currency.
円 (en) is the Japanese pronunciation.
Yen is the conventional English spelling and name.
They refer to the same Japanese currency.
The exact historical reason that the English spelling gained a Y is not conclusively documented. The Bank of Japan presents several possible explanations rather than one proven answer.
This article explains:
② the difference between yen and en
③ what the kanji 円 means
④ whether “yen” is an abbreviation or acronym
⑤ why the English spelling contains a Y
⑥ how to read Japanese prices naturally
⑦ what ¥ and JPY mean
- 1 Why Is Yen Called En in Japanese?
- 2 Yen vs En: What Is the Difference?
- 3 Why Does English Use “Yen” Instead of “En”?
- 4 What Does “Yen” Stand For?
- 5 What Does the Kanji 円 Mean?
- 6 When Did Japan Begin Using the Yen?
- 7 How to Pronounce 円 (En)
- 8 How to Read Prices in Japanese
- 9 Is the Plural “Yen” or “Yens”?
- 10 What Does the ¥ Symbol Mean?
- 11 Common Beginner Mistakes
- 12 FAQ About Yen and En
- 12.1 Why do Japanese people call yen “en”?
- 12.2 Are yen and en the same currency?
- 12.3 Why is there a Y in yen?
- 12.4 What does yen stand for?
- 12.5 What does JPY stand for?
- 12.6 What does 円 mean literally?
- 12.7 How do you say 100 yen in Japanese?
- 12.8 How do you say 1,000 yen in Japanese?
- 12.9 Is yen plural?
- 12.10 Do Japanese people understand the word yen?
- 13 Summary: Why Is Yen Called En?
- 14 Related Articles
- 15 References
Why Is Yen Called En in Japanese?
The Japanese currency is written with the kanji 円. Its modern Japanese reading is:
Hiragana: えん
Romaji: en
Meaning: yen; a unit of Japanese currency
Original/basic kanji image: round; circle
Therefore, Japanese speakers say:
一円
ichi-en
one yen
百円
hyaku-en
100 yen
千円
sen-en
1,000 yen
Say hyaku en, not hyaku yen.
When speaking English, however, say one hundred yen.
100円 = hyaku en
Speaking English
100 yen = one hundred yen
Yen vs En: What Is the Difference?
Yen and en are not two different currencies. They are two language forms referring to the same unit.
The Japanese word and modern Japanese pronunciation.
Used inside Japanese sentences.
yen
The established English name and international spelling.
Used inside English sentences and international financial contexts.
The key point is the same: a name used internationally does not always match the modern domestic pronunciation exactly.
Examples in Japanese and English
これは五百円です。
Kore wa gohyaku en desu.
This is 500 yen.
English:
This costs 500 yen.
Incorrect mixture for normal Japanese study:
× これは五百イェンです。
× Kore wa gohyaku yen desu.
Why Does English Use “Yen” Instead of “En”?
This is where the history becomes less certain.
The Japanese spelling YEN has a long official history. The Bank of Japan notes that the 1872 government note called Meiji Tsūhō used YEN, and Bank of Japan notes have used that Roman-letter spelling since the Bank began issuing notes in 1885.
However, the Bank of Japan also states that the exact basis for choosing YEN instead of EN is unclear.
It is better to say, “Here are the main proposed explanations,” rather than claim that one theory is definitely true.
Theory 1: The Y Helped Foreign Readers Pronounce the Word
One theory is that writing only EN might lead some foreign readers to pronounce it differently from the intended Japanese sound. Adding Y may have been intended to guide the pronunciation toward yen.
The Bank of Japan points out that some foreign records from the late Edo period also wrote Edo as Yedo.
Edo
en
Older foreign spellings sometimes seen
Yedo
yen
The existence of spellings such as Yedo helps explain why a foreign-language spelling with Y was plausible, but it does not give us one complete, proven origin story for YEN.
Theory 2: “EN” Was Already a Common Word in European Languages
Another theory is that en is a common word in several European languages. For example, it functions as a frequent word in Dutch, Spanish, and French.
The spelling YEN may therefore have helped distinguish the currency name from an ordinary grammatical word.
Theory 3: Influence from Chinese 圓 / Yuan
A third theory connects the spelling with the Chinese monetary term 圓, romanized as yuan.
Chinese notes displayed the character 圓 together with the Roman letters YUAN. According to this theory, the form may have influenced or developed into the English spelling YEN.
Modern Japanese simplified form: 円
Japanese reading: en
Chinese currency-related romanization: yuan
Established English name for Japan’s currency: yen
Yen refers to Japan’s currency. Yuan is a unit of China’s currency.
What Can We Say with Confidence?
・Modern Japanese pronounces 円 as en.
・The English name is conventionally spelled yen.
・The spelling YEN appeared on Japanese money in the early Meiji period.
・Japanese banknotes have long used YEN in Roman letters.
Not conclusively confirmed:
・One single historical reason why Y was chosen.
・One definitive origin story that excludes all other theories.
What Does “Yen” Stand For?
Yen is not an acronym. Its letters do not each stand for a separate English word.
× not an abbreviation made from three words
× not an acronym
○ the established English spelling of the Japanese currency name 円
For a beginner, you can remember it as:
JP = Japan
Y = yen
en — Japanese pronunciation in romaji
yen — English name
¥ — currency symbol
JPY — international currency code
What Does the Kanji 円 Mean?
The kanji 円 means circle, round, or yen.
The older traditional form is 圓. The modern form 円 is the simplified character normally used in Japan today.
round; circular
円形 (enkei)
a circular shape
円 (en)
the Japanese currency unit
Japan’s Currency Museum lists several theories: the circular form of standardized coins, influence from terms for Western silver coins used in China, and influence connected with Hong Kong’s mint and currency terminology.
When Did Japan Begin Using the Yen?
The Meiji government introduced 円 (yen/en) as Japan’s unified basic currency unit under the New Currency Act of 1871.
Before that reform, Japan used a more complex mixture of gold, silver, and copper currency systems, including units such as 両 (ryō).
Before the Meiji currency reform
Multiple forms of money and units circulated in Japan.
↓
1871
The New Currency Act established 円 as the basic national currency unit.
↓
Early Meiji period
Japanese money used the Roman-letter spelling YEN.
↓
Today
Japanese speakers say en, while English speakers say yen.
How to Pronounce 円 (En)
Hiragana: えん
Romaji: en
Morae: え・ん
The word has two morae:
A clear Japanese “e” sound.
ん (n)
The moraic nasal sound.
Do not insert a strong English y sound when reading Japanese prices.
It will also help you understand prices more easily when listening.
How to Read Prices in Japanese
Basic Examples
5円 — ごえん — go-en
10円 — じゅうえん — jū-en
50円 — ごじゅうえん — gojū-en
100円 — ひゃくえん — hyaku-en
500円 — ごひゃくえん — gohyaku-en
1,000円 — せんえん — sen-en
10,000円 — いちまんえん — ichiman-en
Useful Shopping Sentences
これはいくらですか？
Kore wa ikura desu ka?
How much is this?
千円です。
Sen-en desu.
It is 1,000 yen.
五百円になります。
Gohyaku en ni narimasu.
That will be 500 yen.
一万円からお願いします。
Ichiman-en kara onegaishimasu.
Here is 10,000 yen. / I’ll pay with a 10,000-yen bill.
Say the parts clearly but smoothly: sen-en. Do not add a Y and turn it into sen-yen.
Is the Plural “Yen” or “Yens”?
In standard English, the currency name usually remains yen after a number.
ten yen
one hundred yen
Usually not: ten yens
Japanese itself does not mark the word with an English plural ending, so both 1円 and 100円 use the same unit 円.
What Does the ¥ Symbol Mean?
The symbol ¥ represents the yen in many international contexts.
100 yen
JPY 100
100 Japanese yen
100円
100 yen written in Japanese
It is safest to treat ¥ simply as the conventional yen currency sign.
Common Beginner Mistakes
Mistake 1: Saying “Yen” Inside a Japanese Sentence
Hyaku yen desu.
○ 百円です。
Hyaku en desu.
It is 100 yen.
Mistake 2: Thinking Yen and En Are Different Units
They are the same unit. The difference is mainly the language being used.
Mistake 3: Saying YEN Is an Acronym
Yen is a currency name, not a set of initials. JPY is the international code.
Mistake 4: Giving One Origin Theory as an Established Fact
The official explanation from the Bank of Japan says the exact reason for YEN is unclear and gives several theories.
Mistake 5: Assuming 円 Was Chosen Only Because Coins Are Round
The “round coin” explanation is easy to remember, but official historical resources present multiple theories about why the new currency unit was named 円.
FAQ About Yen and En
Why do Japanese people call yen “en”?
Because 円, the Japanese name of the currency unit, is pronounced en in modern Japanese. Yen is the conventional English name.
Are yen and en the same currency?
Yes. Both refer to Japan’s currency. Use en when pronouncing 円 in Japanese and yen when speaking English.
Why is there a Y in yen?
The exact reason is not conclusively known. The Bank of Japan lists several theories, including pronunciation guidance for foreign readers, avoiding confusion with common European words spelled en, and influence from Chinese 圓 / yuan.
What does yen stand for?
Yen does not stand for a longer English phrase and is not an acronym. It is the established English spelling of the Japanese currency name 円.
What does JPY stand for?
JPY is the international currency code for the Japanese yen.
What does 円 mean literally?
The kanji 円 means “circle” or “round” and is also the Japanese currency unit.
How do you say 100 yen in Japanese?
Say 百円 (hyaku en).
How do you say 1,000 yen in Japanese?
Say 千円 (sen-en).
Is yen plural?
In standard English, yen normally stays unchanged after a number: one yen, ten yen, and one thousand yen.
Do Japanese people understand the word yen?
Many Japanese people recognize the English word, but when speaking Japanese the natural pronunciation of 円 is en.
Summary: Why Is Yen Called En?
Say hyaku en for 100円 when speaking Japanese.
● Yen is the established English name.
Say one hundred yen when speaking English.
● Yen and en are the same currency.
They are not competing units or different types of money.
● Yen is not an acronym.
It does not stand for three English words.
● The Y has no single conclusively proven explanation.
The Bank of Japan lists multiple historical theories.
● 円 also means circle or round.
The currency name’s precise historical origin has several proposed explanations.
● ¥ and JPY are different ways of identifying the currency.
¥ is the currency symbol, while JPY is the international currency code.
Japanese sentence ⇒ en
English sentence ⇒ yen
Once you remember that rule, Japanese prices become much easier to hear and say!
Related Articles
- Japanese Money Words: Essential Vocabulary for Shopping and Travel
- What Does お金 (Okane) Mean in Japanese?
- What Does 高い (Takai) Mean? “Expensive” vs “Tall”
- What Does 割り勘 (Warikan) Mean? Splitting the Bill in Japan
References
- Bank of Japan: Why is 円 written “YEN” in Roman letters?
- Currency Museum, Bank of Japan: FAQ on Japanese currency
- Currency Museum, Bank of Japan: History FAQ and theories about the origin of 円
- Ministry of Finance Japan: Why is Japanese money called 円?
- National Diet Library Collaborative Reference Database: Early use of YEN and the ¥ symbol
