Lånet har en hög ränta.

Lånet is the definite form of lån, so it means the loan.

In Swedish, the definite article is usually added to the end of the noun:

• ett lån = a loan
• lånet = the loan

So the -et ending is the Swedish way of saying the here.

Because en hög ränta belongs to ränta, not to lån.

In this sentence:

• lånet = the loan
• har = has
• en hög ränta = a high interest rate

The noun ränta is an en-word, so it takes:

• en ränta
• en hög ränta

Even though lån is an ett-word, that does not affect the article for ränta.

Because hög describes ränta, and ränta is an en-word.

Compare:

• en hög ränta
• ett högt hus

A basic pattern is:

• en-word: adjective in common form → hög
• ett-word: adjective often gets -t → högt

So:

• en hög ränta is correct
• ett högt lån would be grammatically different, because lån is an ett-word

Har is the present tense of ha, which means to have.

Swedish verbs do not change according to the subject the way English verbs sometimes do. So you say:

• jag har = I have
• du har = you have
• lånet har = the loan has
• de har = they have

So har stays the same no matter who or what the subject is.

This is the normal Swedish word order for a simple statement:

subject + verb + object/complement

So:

• Lånet = subject
• har = verb
• en hög ränta = what it has

This is very similar to English word order in a basic sentence.

Yes, you may hear that, but it changes the feel slightly.

• Lånet har en hög ränta sounds like the loan has a high interest rate
• Lånet har hög ränta is more like the loan carries high interest or the loan has high interest

With en, the phrase treats ränta as a countable noun phrase: a high interest rate.
Without en, it sounds a bit more general or abstract.

Both can be natural, depending on context.

Ränta usually refers to interest in the financial sense, especially the rate charged on a loan or paid on savings.

Examples:

• hög ränta = high interest / high interest rate
• fast ränta = fixed interest rate
• rörlig ränta = variable interest rate

So in a sentence about a loan, ränta is exactly the right word.

A rough guide for an English speaker:

• lånet: the lå- has a long vowel somewhat like the aw in law, though not exactly the same. The -net is pronounced clearly.
• ränta: the ä is somewhat like the vowel in air in some accents, but shorter and tenser. The nt is pronounced clearly.

Very rough approximations:

• lånet ≈ LAW-net
• ränta ≈ REN-ta / RAN-ta depending on how you approximate Swedish sounds

The exact pronunciation depends on dialect, but those rough guides help as a start.

Lån is a neuter noun in Swedish, also called an ett-word.

So you say:

• ett lån = a loan
• lånet = the loan

This is something you generally have to learn with each noun, because Swedish nouns belong to either:

• en-words
• ett-words

Unfortunately, there is not always a simple rule that tells you which one a noun will be.

The common forms are:

For lån:

• ett lån = a loan
• lånet = the loan
• lån = loans
• lånen = the loans

For ränta:

• en ränta = an interest rate
• räntan = the interest rate
• räntor = interest rates
• räntorna = the interest rates

Notice that lån has the same form in singular indefinite and plural indefinite.

Usually, Swedish marks definiteness by adding it to the end of the noun:

• lånet = the loan
• räntan = the interest rate

But when there is an adjective before a definite noun, Swedish often uses double definiteness:

• den höga räntan = the high interest rate

So:

• en hög ränta = a high interest rate
• den höga räntan = the high interest rate

That is why in your sentence, the noun phrase is indefinite: en hög ränta.

Because the sentence is talking about a high interest rate, not the high interest rate.

Compare:

• Lånet har en hög ränta. = the loan has a high interest rate
• Lånet har den höga räntan. = the loan has the high interest rate

The second version would only make sense in a special context, for example if you are comparing several loans and identifying one specific rate already known in the conversation.

So en hög ränta is the normal choice here.

Yes. Swedish uses hög very naturally with things like prices, temperatures, speeds, and interest rates.

Examples:

• hög ränta = high interest rate
• hög lön = high salary
• hög hastighet = high speed

So this matches English quite well.