Я спокоен, потому что всё в порядке.

Спокоен is the short form of the adjective спокойный (calm).

In Russian, short-form adjectives are often used:

• as the main predicate of the sentence
• to describe a temporary state or condition

So:

• Я спокойный = I am a calm person / I’m calm by nature
• Я спокоен = I am calm / I feel calm right now

In this sentence, Russian uses the short form because it is describing the speaker’s current state.

Also, спокоен is:

• masculine singular

If the speaker were female, it would be:

• Я спокойна

And for plural:

• Мы спокойны

In the present tense, Russian normally does not use the verb to be (быть) the way English does.

So English:

• I am calm

Russian:

• Я спокоен

There is no separate word for am here. This is completely normal Russian grammar.

Compare:

• Он дома = He is at home
• Мы готовы = We are ready
• Я спокоен = I am calm

Russian usually leaves out is / am / are in the present tense.

Всё means everything.

That is different from все, which usually means:

• all
• everyone
• all of them

So:

• Всё в порядке = Everything is in order / Everything is fine
• Все в порядке = Everyone is fine / Everyone is okay

That one letter matters a lot.

Also, всё is normally written with ё, although in many printed texts you may see все instead and have to understand from context which meaning is intended.

Literally, в порядке means in order.

But in everyday Russian, it is a very common expression meaning:

• okay
• fine
• all right
• in good order

So:

• Всё в порядке = Everything is okay / Everything is in order

It is an idiomatic phrase you should learn as a whole.

You can also hear:

• Я в порядке = I’m okay
• Ты в порядке? = Are you okay?
• Документы в порядке = The documents are in order

Because the preposition в here is followed by the prepositional case when it means in a location or state.

The base form is:

• порядок = order

After в, it becomes:

• в порядке

This is the prepositional singular form.

So the phrase works like:

• в доме = in the house
• в школе = in school
• в порядке = in order / okay

Even though в порядке is very idiomatic, it still follows normal case rules.

Because потому что introduces a subordinate clause meaning because.

Russian punctuation usually puts a comma before subordinate clauses, so:

• Я спокоен, потому что всё в порядке.

This is very standard.

The two parts are:

1. Я спокоен
2. потому что всё в порядке

The second part explains the reason for the first, so it gets separated by a comma.

Usually, yes. In most sentences, потому что is the standard way to say because.

Examples:

• Я дома, потому что устал. = I’m at home because I’m tired.
• Она улыбается, потому что счастлива. = She is smiling because she is happy.

It is a very common and useful conjunction.

Russian also has other ways to express cause, but потому что is one of the most basic and common ones for learners.

Yes, Russian word order is more flexible than English, but the original order is the most neutral and natural:

• Я спокоен, потому что всё в порядке.

You may also hear variations for emphasis, such as:

• Потому что всё в порядке, я спокоен.

This puts more focus on the reason first.

Even though Russian allows this flexibility, learners should usually start with the neutral version unless they have a reason to emphasize something.

In Russian, adjectives must agree with the person or thing they describe in:

• gender
• number

With я, the form depends on who is speaking:

If a man says it:

• Я спокоен

If a woman says it:

• Я спокойна

If more than one person says it:

• Мы спокойны

So even though я itself does not show gender, the adjective does.

This is very common in Russian:

• Я готов / Я готова = I am ready
• Я уверен / Я уверена = I am sure
• Я спокоен / Я спокойна = I am calm

A helpful pronunciation guide with stress is:

• Я спокОен, потому́ что всё в порЯдке.

A few notes:

• спокоен has stress on О: спокОен
• потому что is pronounced together smoothly in normal speech
• всё is pronounced with yo: vsyo
• порядке has stress on Я: porYADke

Approximate pronunciation:

• ya spa-KO-yen, pa-ta-MOO shto vsyo f pa-RYAT-kye

The exact sound of unstressed vowels is reduced in Russian, so spoken Russian may sound less like the spelling than English learners expect.

Yes, but it is not exactly the same structure.

• Я спокоен = I am calm
• Мне спокойно = I feel calm / It is calm for me

The second version uses a different construction:

• мне = to me / for me (dative case)
• спокойно = an adverb or state word

Both are natural, but Я спокоен focuses more directly on I am calm, while Мне спокойно sounds more like describing an inner feeling or state.

So the sentence you were given is a very normal and straightforward way to say it.