en vs ett vs ei: The Number 'One' | Norwegian Grammar

In English, "one" is a single, unchanging word: one car, one house, one girl. Norwegian splits it. The number one agrees with the gender of the noun it counts — én for masculine, ei for feminine, ett for neuter — and, to make matters subtler, those forms look almost identical to the indefinite article (en, ei, et, "a/an"). The two collide most sharply in the neuter, where the article is et (one t) and the number is ett (two t's). This page sorts out which is which, why the distinction exists, and the one place it actually shows up in writing.

The number 'one' is gendered

Every Norwegian noun has a gender — masculine, feminine, or neuter — and the number one takes a form to match. (If gender is new to you, the gender overview page is the place to start; here we assume you know a noun's gender and just need the right "one.")

Gender	Number 'one'	Example	Gloss
Masculine	én	én gutt	one boy
Feminine	ei (or én)	ei jente / én jente	one girl
Neuter	ett	ett barn	one child

Two things to flag immediately. First, the masculine numeral carries an accent: én, written precisely to distinguish it from the unstressed article en. Second, the feminine has a choice: traditionally ei, but in modern Bokmål the masculine én is very commonly used for feminine nouns too, since Bokmål lets most feminine nouns be treated as masculine. So ei jente and én jente are both fine for "one girl"; ei is the more distinctly feminine choice.

Vi har bare én gutt i klassen, resten er jenter.

We have only one boy in the class, the rest are girls. (masculine, accented én)

Det er ett barn igjen i barnehagen.

There's one child left at the daycare. (neuter ett, double t)

Jeg tar bare ett eple, takk.

I'll just take one apple, thanks. (eple is neuter → ett)

💡

The number "one" tracks the noun's gender exactly the way the article does: masculine én, feminine ei, neuter ett. If you can pick the right article for a noun, you can pick the right "one."

The crucial pair: et (article) vs ett (number)

Here is the distinction that actually matters in writing — and the one English speakers miss because their "a" and "one" are clearly different words, so they never expect a one-letter spelling to carry the load.

In the neuter:

et (single t) = the indefinite article, "a / an." Unstressed, just introduces a noun.
ett (double t) = the number, "one." Stressed, counts.

So et hus means "a house" — any house, the existence of a house. Ett hus means "one house" — exactly one, as opposed to two or three. The difference is entirely in that doubled t, and it is a real, enforced spelling distinction in standard Bokmål.

Written	Meaning	Function
et hus	a house	article (a/an)
ett hus	one house	number (counting)
et eple	an apple	article
ett eple	one apple	number

Jeg kjøpte et hus i fjor.

I bought a house last year. (article — just introduces the house)

De eier bare ett hus, ikke flere.

They own only one house, not several. (number — counts exactly one)

Vil du ha et glass vin?

Would you like a glass of wine? (article — an offer, not a count)

Jeg har bare ett ønske.

I have only one wish. (number — emphatic, exactly one)

The deeper logic: the article et is unstressed and grammatical — it is the neuter twin of en/ei, doing nothing but signaling "neuter, indefinite, singular." The number ett is stressed and semantic — it asserts a quantity. Norwegian marks that difference in spelling by doubling the consonant, which is a general Norwegian habit: a doubled consonant after a short stressed vowel signals exactly the kind of fuller, stressed pronunciation the counting word gets. So the doubled t in ett is not arbitrary decoration; it mirrors how the word is actually said.

💡

Read the doubled t as a built-in stress mark: ett = the counted, emphasized "one"; et = the throwaway "a." If you could replace it with "a/an" in English, write et; if you mean "exactly one," write ett.

Why the masculine carries an accent: én

The masculine throws up a parallel problem, solved with an accent rather than a doubled letter. The article en (a) and the number en (one) are spelled the same and pronounced almost the same. To remove the ambiguity in writing — especially where context alone would not settle it — Norwegian places an acute accent on the number: én.

So en bil is "a car" and én bil is "one car." The accent is not optional flair; it is a disambiguating signal, and good writing uses it whenever the count meaning needs to be unmistakable.

Det står en bil utenfor.

There's a car outside. (article — a car)

Det står bare én bil utenfor, ikke to.

There's only one car outside, not two. (number — accented én)

Kan jeg få én billett til, takk?

Can I have one more ticket, please? (counting — én)

In practice, many casual writers drop the accent when context makes the meaning obvious, and you will see bare en used as the count in informal text. But the careful, standard form for the numeral is én, and using it marks your writing as accurate. The neuter ett (double t) is not optional in the same way — that distinction is firmly enforced.

Stressed counting use

When you actually count out loud — én, to, tre… — or emphasize a quantity, the numeral forms (with accent / double t) are the ones in play, and they carry sentence stress. This is also why, when you list a count, you reach for én and ett rather than the articles.

Hvor mange katter har du? — Bare én.

How many cats do you have? — Just one. (counting answer, accented)

Vi rakk å se ett av museene, ikke begge.

We managed to see one of the museums, not both. (museum is neuter → ett)

Common Mistakes

Using 'en' for every 'one', ignoring the neuter. English has one word, so learners default to en even with neuter nouns. Neuter nouns take ett.

❌ Jeg har bare en barn.

Incorrect — 'barn' is neuter, so the number is 'ett': 'bare ett barn'.

✅ Jeg har bare ett barn.

I have only one child.

Confusing the article 'et' with the number 'ett'. Writing the article when you mean the count, or vice versa — the doubled t is doing real work.

❌ De har bare et hus, ikke to.

Incorrect — you mean the count 'one', so it's 'ett hus'.

✅ De har bare ett hus, ikke to.

They have only one house, not two.

Dropping the accent on the masculine numeral. Writing bare en where the count meaning needs to be clear loses the distinction.

❌ Vi trenger bare en til.

Ambiguous — for 'one more' use the accented 'én'.

✅ Vi trenger bare én til.

We only need one more.

Over-doubling the article. The reverse error: putting two t's on the plain article. "A house" is et hus, single t.

❌ Jeg så ett hus jeg likte.

Incorrect — here you just mean 'a house' (article): 'et hus'.

✅ Jeg så et hus jeg likte.

I saw a house I liked.

Key Takeaways

The number one is gendered: én (masculine), ei (feminine, or én), ett (neuter).
The one written distinction that genuinely matters: article et (one t, "a") vs number ett (two t's, "one"). Et hus = a house; ett hus = one house.
The masculine numeral takes an accent — én — to separate it from the article en; standard writing keeps it.
The doubled t of ett mirrors its stressed, counting pronunciation; the article et is unstressed and grammatical.

Now practice Norwegian

Reading grammar gets you part of the way. The exercises are where it sticks — free, no signup needed.

Start learning Norwegian→