Een kiloliter is baie water.

Because een means the number one, while 'n is the indefinite article a/an.

So:

• Een kiloliter = one kiloliter
• 'n kiloliter = a kiloliter

In this sentence, een highlights the exact quantity. If you said 'n kiloliter is baie water, that would also be grammatical, but it would sound a little less focused on the number one.

Here baie means a lot of or much.

So baie water means a lot of water.

A useful thing to know is that baie can also mean very in other sentences:

• baie water = a lot of water
• baie groot = very big

So the exact English translation depends on what follows it.

Because water is usually treated as an uncountable noun, just like in English.

You say:

• baie water = a lot of water

not

• baie waters

Afrikaans does have a plural waters, but that is used in more specific contexts, such as different bodies or kinds of water, not for the general substance.

Mostly yes, but Afrikaans is simpler.

In the present tense, is stays the same with all subjects:

• ek is = I am
• jy is = you are
• hy is = he is
• ons is = we are

So Afrikaans does not change the verb the way English does with am / is / are.

Yes. This is a simple statement, and the structure is very close to English:

• Een kiloliter = subject
• is = verb
• baie water = complement

So the pattern is basically:

subject + is + description

That makes this sentence quite straightforward for an English speaker.

Afrikaans uses liter rather than the British English spelling litre.

So in Afrikaans you get:

• liter
• milliliter
• kiloliter

If you are used to British English, this spelling may look unusual, but it is the normal Afrikaans form.

Yes, but there is a small nuance.

• Een kiloliter is baie water. = One kiloliter is a lot of water.
• 'n Kiloliter is baie water. = A kiloliter is a lot of water.

Both are natural, but een is more specific and slightly more emphatic because it points to the number one.

Also, note something special about 'n: even at the beginning of a sentence, 'n itself stays lowercase, and the next word gets the capital letter:

• 'n Kiloliter is baie water.

Baie is commonly pronounced roughly like BUY-uh.

That makes baie water sound approximately like:

BUY-uh vah-ter

This is only a rough guide for English speakers, but it helps avoid reading baie as if it were English.

Yes, very natural.

Afrikaans speakers commonly use baie with mass nouns like water, geld, and kos:

• baie water = a lot of water
• baie geld = a lot of money
• baie kos = a lot of food

So Een kiloliter is baie water sounds normal and idiomatic.