There's no single "magic number," as your ideal weight in kg depends on your height, gender, body frame, and age, but generally, a healthy weight for adults falls within a Body Mass Index (BMI) of 18.5 to 24.9, which you can estimate using online calculators or formulas like the Hamwi method for a baseline. For example, a 170cm person might aim for 61kg (female) or 65kg (male) as a starting point, but consulting a doctor for a personalized assessment is best.
For men: IBW (kg) = 50 + 2.3 x (height (in) - 60). For women: IBW (kg) = 45.5 + 2.3 x (height (in) - 60). Hamwi formula: Provides a quick estimate of ideal body weight. For men: IBW (kg) = 48 + 2.7 x (height (cm) - 152).
Generally used to refer to males who could be overpowered and taken advantaged of by other males who are above 200 pounds. Could also be used as a general statement about a male weighing approximately 140-160 pounds or 60-70 kilograms.” - Urban Dictionary.
An example is shown for an individual who weighs 80 kg (176 lbs) and stands 1.75 meters (175 cm or 69 inches) tall. Those measurements put that individual into the "overweight" category. This chart is to be used for adult data (male or female). To convert pounds to kilograms divide by 2.2.
You should step on the scale first thing in the morning. That's when you'll get your most accurate weight because your body has had the overnight hours to digest and process whatever you ate and drank the day before. And you should try to turn that step into a regular part of your routine.
Sleep deprivation has long been linked to an increased risk of becoming overweight or obese. Researchers found that getting less than seven hours of sleep resulted in weight changes and may lead to weight gain, either by increasing food intake or decreasing energy burned.
According to the National Heart, Lung, and Blood Institute , a good weight for a person who is 5 foot (ft) 4 inches (in) tall ranges from 110–140 pounds (lbs).
According to the Golden Ratio, below are the ideal measurements for 28 year old woman who is 5 feet and 4 inches tall:
Does Drinking Water Aid Weight Loss? There is evidence to support the claim that drinking water can aid weight loss. A study by the National Institute of Health on overweight women found that increasing water intake led to a reduction in body weight, body mass index (BMI) and body fat percentage.
If you did actually drop a dress size in two weeks, I'd have to ask if you'd been ill, or if you'd cut out major food groups (fat, carbohydrates and protein perhaps?). To drop a dress size we're looking at a weight loss of approximately 5 to 8 kilograms (kg), which is around 1 stone.