Platsen i väskan räcker inte till.

Yes, plats often means place, spot, or seat, but in this sentence it means space or room.

So Platsen i väskan means the space in the bag, not the place in the bag in the English sense.

This is very common in Swedish:

• Det finns ingen plats här. = There is no room here.
• Har vi plats i bilen? = Do we have room in the car?

Because Swedish is using the definite form: platsen = the space.

The sentence is talking about a specific space: the space available in the bag. It is not talking about space in general.

Forms:

• en plats = a place / a space
• platsen = the place / the space

So:

• Platsen i väskan = the space in the bag

Väskan is the definite form of väska, so it means the bag.

Forms:

• en väska = a bag
• väskan = the bag

After a preposition like i, Swedish still uses the definite form if the noun is definite:

• i en väska = in a bag
• i väskan = in the bag

So this sentence is about a particular bag, not just any bag.

Räcker till means is enough, suffices, or will do.

In this sentence:

• räcker inte till = is not enough

So the whole sentence means that the space in the bag is insufficient.

You will also see räcka till with other things:

• Pengarna räcker inte till. = The money isn’t enough.
• Tiden räcker inte till. = There isn’t enough time.

Because inte normally comes after the finite verb in a main clause, and till belongs to the verb expression räcka till.

So the pattern is:

• subject + finite verb + inte
  • particle

Here:

• Platsen = subject
• räcker = finite verb
• inte = not
• till = particle

That gives:

• Platsen i väskan räcker inte till.

This is normal Swedish word order.

Not really. Here till is part of the verb expression räcka till, so you should learn it as a unit.

On its own, till often means things like to, for, or until, but in this sentence it is not functioning that way. It helps form the idiomatic meaning be enough.

So it is better to think:

• räcka till = to be enough

not:

• räcka
  • separate literal to

Sometimes yes, and people would probably understand you. But räcker inte till is more idiomatic and more natural when you mean is not enough.

Compare:

• Platsen i väskan räcker inte till. = very natural
• Platsen i väskan räcker inte. = understandable, but slightly less complete in this sense

So for learners, räcker inte till is the safer and more natural choice.

Because i means in, and a bag is treated as a container.

So:

• i väskan = in the bag

If you said på väskan, that would mean on the bag or on top of the bag, which is a different idea.

Plats is very natural and common here.

Other possibilities exist, but they are a bit different:

• utrymme = space / storage space / capacity; more formal or technical
• rum usually means room as in a room in a building, so it is not the normal choice here

So:

• Platsen i väskan räcker inte till. sounds natural and everyday
• Utrymmet i väskan räcker inte till. is also possible, but slightly more formal or technical

No. It is used very widely for anything that is insufficient.

For example:

• Pengarna räcker inte till. = The money isn’t enough.
• Tiden räcker inte till. = There isn’t enough time.
• Krafterna räcker inte till. = The strength/energy isn’t enough.

So in your sentence it refers to physical space, but the expression itself is much broader.