Weight loss calculator this weight loss calculator allows you to calculate the number of calories you should eat in a day to reach a specific target weight by a certain date weight loss calculator switch to metric; gender: age: height: ft in weight: lbs body fat percentage (optional). Losing weight fast calculator. If you want to calculate your total weight loss percentage, use the weight loss percentage calculator instructions: enter your current weight, height, age, and activity level, your start date for losing weight and the number of pounds (or kilos) you want to lose, as well as a calorit deficit option deficit options: option 1:.
losing weight fast calculator
