Bathroom scales are a must in the modern life. To keep watch on one's weight and to remain on the safer side of obesity, they come handy. The ordinary bathroom scale helps to measure only the weight, they are not useful in measuring a persons body fat. But today, bathroom scales which can also measure body fat is available in the market.

They are called body fat analyzers. These body fat analyzers are very useful for those who are doing fat – burning exercise. They are ideal also for a person engaged in body building and weight management program. Body fat analyzers provide you with necessary information about the body fat and are very useful in giving the warning signals to maintain a healthy, body fat percentage. These body fat analyzer use electronic signals, to measure the amount of fat deposit in a person's body

The dial scales or the traditional style mechanical scales, measure the body weight using a spring – loaded mechanism. They have a moving mechanical hand which shows the weight when the person stand on the scale. But these scales are not in demand now days and are really cheaper, when compared to the other varieties of the scale. For a person who just want to check weight and not concerned about measuring the body fat, this is still a good option.

Relatively new variety of bathroom scales is the digital scales. They are in more demand as they can show or display the weight in digits. Digital bathroom scales are powered by lithium battery. Usually they will last for a long time and you don't have to worry about replacing it.

While buying digital scales just make sure that they have an automatic shut-off to save the batteries. They are preferred more, because they are comparatively more accurate than the mechanical type of bath room scales. The digital display of the weight makes it easy to read the weight. Digital bathroom scales are more expensive than other varieties. Luxury digital scales with nice design and features are available in the market.

Solar bathroom scales are catching up the market. With the solar powered bathroom scales, one doesn't have to worry about replacing the battery. Solar powered bathroom scales also provide correct weight readings. The weight of a person tends to differ at different times of the day so it is better to read the weight early morning to get a consistent reading.

The perfect time to measure your weight is early morning, after emptying the urinary bladder and bowels. Adjusting the zero, before taking the measurement is necessary. Make sure your bathroom scale is showing zero when nothing is placed on it. If you don't adjust the zero the reading showed by the scale won't be accurate.

It is better to have a personalized bathroom scale, if more than one person is using the same scale. Some scales have different colored knobs to mark the last reading of the different persons. Some scales have provision for keeping record of the height, age and sex and other vital characteristics of more than one person. The scale is able to understand the person who is measuring the weight just by pressing a button. Most of the bathrooms scales are calibrated in pounds or kilos. Some provide conversion readings by pressing the switch.