Hinta on noin sata euroa.

Hinta means price. It is in the nominative singular, which is the basic dictionary form.

In this sentence, hinta is the subject:

• Hinta = the price
• on = is
• noin sata euroa = about one hundred euros

So the structure is basically The price is about one hundred euros.

On is the third-person singular form of the verb olla, which means to be.

So:

• minä olen = I am
• sinä olet = you are
• hän on = he/she is
• se on = it is

Since hinta is singular, Finnish uses on:

• Hinta on... = The price is...

Here, noin means about, approximately, or around.

So:

• noin sata euroa = about a hundred euros

It is very common before numbers:

• noin kymmenen minuuttia = about ten minutes
• noin viisi kilometriä = about five kilometers

After numbers greater than one, Finnish usually puts the noun in the singular partitive.

So:

• yksi euro = one euro
• kaksi euroa = two euros
• kymmenen euroa = ten euros
• sata euroa = one hundred euros

That is why euroa is used, not eurot.

A useful rule:

• 1
  • nominative singular: yksi euro
• 2 or more
  • singular partitive: kaksi euroa, sata euroa

Because it follows a number larger than one.

In Finnish, numerals like kaksi, kolme, kymmenen, sata normally require the thing being counted to be in the singular partitive:

• kolme kirjaa = three books
• viisi autoa = five cars
• sata euroa = one hundred euros

So euroa is the expected form here.

Finnish does not have articles like a, an, or the.

So hinta can mean:

• a price
• the price

The exact meaning depends on context. In this sentence, English naturally translates it as the price.

The normal, neutral order is:

• Hinta on noin sata euroa.

That is the most natural way to say it in most situations.

Finnish word order is somewhat flexible, but changing it usually changes the emphasis. For example:

• Noin sata euroa on hinta sounds unnatural in ordinary conversation.
• Se on noin sata euroa = It is about one hundred euros.

So for learners, the safest version is the original one:

• Hinta on noin sata euroa.

Yes. Suunnilleen also means approximately / roughly.

So both are possible:

• Hinta on noin sata euroa.
• Hinta on suunnilleen sata euroa.

However, noin is shorter and very common in everyday speech.

The ending -a marks the partitive singular here.

So:

• euro = euro
• euroa = euro + partitive ending

Pronunciation-wise, Finnish spelling is quite regular. euroa is pronounced roughly as eu-ro-a, with all vowels pronounced. The final -a is not silent.

Finnish learners often want to swallow the last vowel, but you should pronounce it clearly:

• euroa, not just euro

Sata is the basic form of one hundred. In this sentence, it stays in its normal form because the whole expression is just a basic number phrase:

• sata euroa = one hundred euros

The numeral itself changes only when the sentence structure requires another case. For example, in other contexts you may see forms like sadan, but not here.

So in this sentence:

• sata stays as it is
• euroa shows the counting pattern after numbers

Because of noin, it means approximately 100 euros, not exactly.

Compare:

• Hinta on sata euroa. = The price is 100 euros.
• Hinta on noin sata euroa. = The price is about 100 euros.

So noin makes the amount less exact.

Yes. Hinta on noin sata euroa. is completely natural and correct.

It sounds like normal standard Finnish and could easily be used in everyday situations, for example when talking about:

• a product
• a ticket
• a repair
• a service

It is a very useful model sentence because it shows several common patterns at once:

• subject + olla
• approximation with noin
• number + singular partitive noun