English says "two cats," "three houses," "five euros" — the noun goes plural the moment the number climbs above one. Finnish does the exact opposite, and it catches every beginner. After a number greater than yksi ("one"), the counted noun stays singular and goes into the partitive case: kaksi kissaa, not kaksi kissat. It looks singular even though the meaning is plural, and that clash with English is the whole difficulty. This page drills the reflex; for why the partitive shows up here at all, see the number partitive and partitive after numbers.
The rule in one line: kaksi and everything above it govern the partitive singular of whatever they count. Only yksi takes a plain nominative.
Two, three, four... → partitive singular
Never a plural. The number already tells you there is more than one, so Finnish leaves the noun in its singular partitive form.
❌ Minulla on kaksi kissat.
Incorrect — after a number the noun is partitive singular, not nominative plural: kaksi kissaa.
✅ Minulla on kaksi kissaa.
I have two cats.
❌ Kadulla on kolme talot.
Incorrect — kolme takes the partitive singular: kolme taloa.
✅ Kadulla on kolme taloa.
There are three houses on the street.
✅ Ostin viisi omenaa ja neljä banaania.
I bought five apples and four bananas. (each noun stays partitive singular: omenaa, banaania)
Money, prices and time — the same rule
This bites hardest with euros, minutes and years, because you use them constantly and the English plural is screaming in your ear.
❌ Se maksaa kymmenen eurot.
Incorrect — 'ten euros' is kymmenen euroa, partitive singular. The euro sign never makes it plural.
✅ Se maksaa kymmenen euroa.
It costs ten euros.
❌ Odotin bussia kaksikymmentä minuutit.
Incorrect — minuutti stays partitive singular after a number: kaksikymmentä minuuttia.
✅ Odotin bussia kaksikymmentä minuuttia.
I waited twenty minutes for the bus.
✅ Asuin Suomessa viisi vuotta.
I lived in Finland for five years. (vuosi → partitive vuotta, singular)
Notice vuotta: the partitive of vuosi is irregular-looking but it is still the singular partitive — "five years" is viisi vuotta, never viisi vuodet. The same goes for sata euroa ("a hundred euros") and tuhat ihmistä ("a thousand people"): even huge numbers keep the noun singular.
yksi is the one exception
The number one — and only one — leaves the noun in the nominative singular, exactly as English would. From two upward, switch to the partitive.
✅ Minulla on yksi kissa.
I have one cat. (yksi + nominative singular — the only number that works like English)
✅ Minulla on yksi kissa, mutta naapurilla on kolme kissaa.
I have one cat, but the neighbour has three cats. (yksi kissa vs kolme kissaa — the switch is visible in one sentence)
That contrast in a single breath is worth memorising: yksi kissa → kolme kissaa. The moment the count leaves "one" behind, the noun drops into the partitive.
Watch a trap, though: only the bare yksi takes the nominative. A compound number that merely ends in yksi — 21, 31, 101 — is a number above one, so it still governs the partitive singular.
❌ Serkkuni täyttää kaksikymmentäyksi vuodet ensi viikolla.
Incorrect — 21 is still a number above one, so partitive singular: kaksikymmentäyksi vuotta, never *vuodet.
✅ Serkkuni täyttää kaksikymmentäyksi vuotta ensi viikolla.
My cousin turns twenty-one next week. (21 → partitive singular vuotta)
Only the standalone yksi vuosi ("one year") escapes into the nominative; the -yksi buried at the end of kaksikymmentäyksi does not.
monta counts the same way
The quantifier monta ("many") behaves like a number: it, too, governs the partitive singular. Learners who have half-learned the number rule still trip here.
❌ Täällä on monta ravintolat.
Incorrect — monta takes the partitive singular: monta ravintolaa.
✅ Täällä on monta ravintolaa.
There are many restaurants here.
✅ Kuinka monta lasta teillä on?
How many children do you have? (kuinka monta + partitive singular lasta)
Be careful not to confuse monta with its sibling moni, which takes the nominative — that pair has its own page, moni vs monta.
Why English speakers get this wrong
English treats a number as a plain adjective sitting in front of a plural noun: two cats, five books. The plural marker and the number stack up and agree. Finnish analyses the phrase completely differently — the number is the head, and it grabs the noun in the partitive singular, roughly the way "a pair of cats" or "a dozen of eggs" would grab a noun in older English. So kolme taloa is closer in logic to "three of house" than to "three houses." Once you hear it that way — the number reaching down and pulling the noun into the partitive — the singular form stops feeling like a mistake. The English plural -s is the ghost you have to ignore: your ear insists on kissat because "cats" ends in -s, but Finnish already counted them with kaksi, so it leaves the noun singular. Say the number, then reach for the partitive singular, and let the count carry the plurality.
❌ Haluaisin kolme kahvit, kiitos.
Incorrect — after a number, partitive singular: kolme kahvia. The English plural is a false friend here.
✅ Haluaisin kolme kahvia, kiitos.
I'd like three coffees, please.
Key Takeaways
- After any number above one, the counted noun is partitive singular: kaksi kissaa, kolme taloa, viisi euroa, kymmenen vuotta.
- The noun looks singular even though the meaning is plural — ignore the English -s.
- Only yksi takes the nominative singular (yksi kissa); from kaksi up, switch to the partitive.
- monta and kuinka monta count like numbers and also take the partitive singular (monta taloa).
- Vowel harmony still sets the ending: -a for back-vowel words, -ä for front-vowel words.
- Think of the number as reaching down and pulling the noun into the partitive — "three of house," not "three houses."
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Start learning Finnish→Related Topics
- Numbers Take the Partitive Singular: kaksi kissaaA2 — The signature Finnish counting rule — every cardinal above one governs the partitive singular of the counted noun, which stays singular: kaksi kissaa, sata euroa.
- Partitive After Numbers: kolme taloaA1 — Every number above yksi takes the partitive singular — kaksi kissaa, sata euroa — and the noun stays singular even when the whole phrase declines.
- moni vs monta, harva vs harvatB2 — Why 'many' splits into moni (singular agreement) and monta (partitive counting), and how harva and its plural harvat divide up 'few'.
- Cardinal Numbers 1–10A1 — The base ten — yksi, kaksi … kymmenen — with their inflection stems, and the rule that a number above one takes the counted noun in the partitive singular.