In Engpsh, the number 30 is pronounced "thirty." To say the number 30 in Engpsh, you can simply say "thirty." Here's an example of how you might use the number 30 in a sentence:

"I have 30 apples in my basket."

"The temperature outside is 30 degrees Celsius."

"I'm 30 years old."

I hope this helps! Let me know if you have any other questions.