How: miten, kuinka, millä tavalla

Finnish has three ways to ask "how", and they divide the work differently from English. miten is the everyday manner word; kuinka covers manner too but is the specialist for degree and quantity; and millä tavalla ("in what way") is a phrasal option for spelling out manner explicitly. Most of the difficulty for English speakers is not the choice between the words — it is the case that follows kuinka when you count things.

miten and kuinka for manner — mostly interchangeable

When you ask how something is done or how someone is, miten and kuinka are largely swappable. The difference is register and frequency: miten is the neutral, most common choice in speech; kuinka is a touch more formal or emphatic, and reads as slightly more polished in writing.

For a plain, practical "how do I do X?", reach for miten — it will never sound wrong. Save kuinka for a more careful register or for the degree constructions below.

kuinka for degree and quantity

This is where the two words genuinely part company. To ask "how + adjective/adverb" (how old, how far, how often) or "how much / how many", the standard word is kuinka.

The same kuinka powers exclamations, where English switches to "how" + adjective too:

The partitive trap: kuinka paljon vs kuinka monta

English blurs "how much" and "how many" into one loose slot, so learners reach for one Finnish phrase and one case. Finnish splits them, and the case is different:

• kuinka paljon = "how much" of a mass → the noun goes in the partitive (singular for uncountable things).
• kuinka monta = "how many" of countable things → the noun goes in the partitive singular, exactly like a number does (kaksi lasta "two children").

That last example is the classic error site. English "how many children" is plural, so learners produce kuinka monta lapsia — but kuinka monta behaves like a numeral and demands the partitive singular: lasta, not lapsia. The same rule governs the real numbers, so it is worth internalizing here (see numbers and the partitive).

Handy one-word alternatives

Colloquially, the clitic -ko/-kö attaches straight to the quantity word, giving compact spoken forms:

• montako = monta
  • -ko — a one-word "how many": Montako lasta sinulla on?
• paljonko = paljon
  • -ko — a very common spoken "how much": Paljonko tämä maksaa?

Both are everyday and neutral. For the deeper moni vs monta question behind montako, see moni vs monta.

millä tavalla — "in what way"

When you want to make the manner explicit, or ask someone to describe a method step by step, use millä tavalla — literally the adessive of tapa ("way, manner") governed by mikä: "by what way".

It is interchangeable with miten here (Miten haluat maksaa?), but millä tavalla foregrounds the method itself, which is why it turns up in instructions and interviews.

Common Mistakes

Key Takeaways

• miten = everyday "how" (manner); kuinka = manner and the specialist for degree/quantity; millä tavalla = "in what way".
• For a plain practical "how do I…?", miten is always safe.
• kuinka heads degree and quantity: kuinka vanha, kuinka kauan, kuinka paljon, kuinka monta.
• kuinka monta takes the partitive singular (lasta, not lapsia) — it behaves like a number.
• Spoken shortcuts: montako ("how many"), paljonko ("how much").