How much should a 5' 11 58 year old man weght?

A healthy weight for a 5'11" man typically falls within a Body Mass Index (BMI) range of 18.5 to 24.9. This would generally correspond to a weight range of approximately 160 to 200 pounds. However, individual factors such as muscle mass, bone density, and overall health should also be considered. It's best to consult with a healthcare professional for personalized advice.