how much uncountable noun ke saath use hota h to shirt to countable h phir how much how please tell me

Yes! "How much" is used for uncountable nouns. But I think, you're talking about why "how much" has been used with shirt. For ex:- How much water is there in that glass? But if you're talking about the price of anything then we write:- How much is this shirt for? *Here, "how much" is used for money because money is uncountable.