how much and how many kilogram?

[atabitaraf]

Which of these or any other option would you recommend?
Which of these are grammatically wright?

1- How many kilogram is it?
2- How many kilograms is it?
3- How many meter is it?
3- How many meters is it?
4- How heavy is it?
5- Hoe long is it?

My best wishes for your new year.
Ata

 

[riquecohen]

Which of these or any other option would you recommend?
Which of these are grammatically wright?

1- How many kilogram is it? Not correct.
2- How many kilograms is it? Correct.
3- How many meter is it? Not correct.
3- How many meters is it? Correct.
4- How heavy is it? Correct.
5-[STRIKE] Hoe[/STRIKE]How long is it? Correct.

My best wishes for your new year.
Ata

You would not use much in any of the sentences above (i.e. numbers 1,2 or 3.)

 

[5jj]

riquecohen answered your question about grammatical correctness.
I'd just note that 5 is more natural than 3; 4 is more natural than 2 - with 'how much does it weigh?' even more natural.