"Does it make sense" or "Is that make sense" ?

yes, "does" is grammatically correct.

thanks for your reply,

does "Is that make sense" actually exist? because I'm not sure if I heard it correctly...

It's not correct."Is that making sense?", perhaps, but I prefer the simple present version.

Disorder,

Americans often do not enunciate every syllable. Many times it will be slurred or skipped altogether. What you may have heard, I suspect, could be someone saying <'s it make sense>, which is a lazy way of saying <does it make sense>. But American people get so used to speaking this way, a lot of people do g

u can use both...during conversation,,,,,,Who Cares,,its UK !! ;P

you absolutely right. "Does it/that make sense" is correct

Does it make sense to use "is that make sense"? No to me.

Yes,
Grammatically "Does it/that make sense" is a correct statement.

Hi

Yes i understand what you mean it a really good site so not worry.

I hope this anwerse you question.

Correct term would be to say "Is this making sense to you?" or "Does this make sense?" meaning, both of those terms are wrong.