How many total credit hours needed for of science degree?

The total number of credit hours needed for a Bachelor of Science (B.S.) degree varies significantly depending on the specific university, major, and even the individual student's course selection. There's no single answer.

While some programs might require as few as 120 credit hours, others can demand 130 or even more. It's crucial to check the specific requirements outlined in the university catalog or by the department offering the B.S. degree you're interested in.