It depends on the weight class, different weight classes have different size people so the reaches vary from weight class to weight class.

Eating the recommend calories for your weight class should allow you to maintain your weight. Losing weight is a bit different. Also consider your metabolism, as that differs for each individual across any weight class, and is of huge importance in weight loss and weight gain.

middle class 185 pounds

the health class

Tare weight is the empty weight.