How Much Should I Weigh? Everything You Need To Know

It's completely normal if your BMI differs from your ideal weight.

Confused between your actual weight and BMI? Are you questioning yourself, how much should I weigh? Remember, the actual weight and BMI varies from person to person. Follow our guide to find out the ideal weight of yours.

Find Out Your Ideal Weight

If you have never calculated it before then it can be a bit trickier. The World Health Organisation (WHO) still use BMI (Body Mass Index) as a guide, but according to many medical professionals, this is an inadequate and often inaccurate method.

Many believe BMI generally overestimates ideal weight for shorter people with little muscle mass and underestimates ideal weight for taller, fitter people. It is not a great way as it uses only height and weight without taking body composition into account.

It’s a fact that a person could be muscular with very low body fat levels and be in fantastic shape. However, because muscle is heavy BMI would mark them as obese. If we go in this way then we have to consider many athletes obese by only looking at their BMI. BMI is often criticized for this.

Remember, there are many factors while calculating your ideal weight, diving in to exercise and weight training can make you heavier as you carry more muscle.

If you are looking at your weight then its better to track it down by using some good and accurate bathroom scales. Here are some of the best scales to keep track of your weight.

1. Tanita FitScan Segmental Body Composition Monitor


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The FitScan BC-545F is the perfect tool for monitoring the effectiveness of any fitness or health program. This 8 electrode Body Composition Monitor displays 20 readings; 10 whole body AND 10 segmental (arms, legs, and trunk area) so you can see exactly how your body is responding to specific training and lifestyle changes.

From tracking body fat and muscle mass trends to analyzing your BMR and indicating hydration levels this Monitor helps you tailor your exercise and dietary requirements to achieve your goals.

The extra-large LCD provides a color-coded analysis of your total and segmental body fat and muscle mass and the retractable cord ensures the handset fits snugly into the main unit for safe storage.

Reviewers say: “Provides a whole lot of good data, fairly painlessly – it is as accurate a means to monitor body composition as you will find anywhere – and they make the big professional units that cost thousands more, using the same body modeling mathematics – but you need to be consistent in when and how you use it to obtain real accuracy.” says one buyer.

2. Omron Body Composition Monitor With Scale


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Omron’s full body composition monitors are unlike any other fitness measurement devices available. The breakthrough design is clinically proven to be just as accurate as much more expensive methods used by physicians and other health professionals. By utilizing advanced sensors, you get a precise reading quickly in the comfort of your own home.

The body composition monitor works by sending a small, imperceptible electrical signal through the whole body, from arm to foot, to calculate total body water.

Omron’s Full Body Sensing takes measurements from both hands and feet creating a more accurate reading by reducing the influence of water movement throughout your body.

Typically, these types of measurements could only be taken by a doctor or physical trainer, but with Omron, you can get them at home anytime you want.

Reviewers say: “I love the way it is very accurate. First time using this scale, it’s very easy to learn how to use it, I love that it comes with a manual that explains exactly everything. Batteries are included.” says one buyer.

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What should be your BMI?

BMI is determined by dividing your weight (or ‘mass’) in kilograms by your height in meters, squared – i.e. BMI = mass in kg ÷ (height in meters x height in meters).

You’ll find a BMI calculator on the CDC website. Current guidelines state that a BMI between 18.5 and 24.9 is considered healthy. Those with a BMI of 18.5 or under are considered underweight, whilst those with a BMI of over 25 are classed as overweight.

What makes BMI questionable is that it doesn’t take frame size or body composition into account. The ideal body weight for someone with a small frame is considerably lower than the ideal body weight for someone with a large frame.

Remember, if you exercise regularly, you are likely to have a higher BMI than a sedentary person with the same measurements, as you’re likely to have a higher ratio of muscle to fat.

Hamwi Method: Calculate Your Ideal Body Weight

While there are a number of ways to calculate ideal body weight, Hamwi Method is probably one of the best as it takes body frame size into account to enhance accuracy.

Dr G.J. Hamwi states that the ideal weight for a woman who is 5ft tall is 100lbs (i.e. 7st 2lbs, or approx. 45kg). Add 5lbs (approx. 2.2kg) for every inch of height over 5ft. For example, a woman who is 5’4 would add 20lbs, making her ideal weight 120lbs, or 8st 8lbs (approx. 54.5kg). For a man, start at 106lbs, adding 6lbs for every inch over 5ft.

Women with a small frame should subtract 10% from this result. If you have a large frame, you should add 10%. So, after adjustment, the ideal body weight for a small-framed woman of 5’4 becomes 108lbs (7st 7lbs, or approx. 49kg).

This weight would place her on the borderline between healthy and underweight according to her BMI calculation (18.5). The ideal body weight for a large-framed woman becomes 132lbs (9st 6lbs, or approx. 60kg). This weight would place her towards the upper end of the ‘healthy’ BMI range, with a result of 22.7.

Calculate Frame Size

Measuring your wrist circumference with a tape measure is a simple and reliable proxy for calculating frame size.

Women under 5’2

Small: wrist circumference less than 5.5″
Medium: wrist circumference between 5.5″ and 5.75″
Large: wrist circumference over 5.75″

Women between 5’2 and 5’5

Small: wrist circumference less than 6″
Medium: wrist circumference between 6″ and 6.25″
Large: wrist circumference over 6.25″

Women over 5’5

Small: wrist circumference under 6.25″
Medium: wrist circumference between 6.25″ and 6.5″
Large: wrist circumference over 6.5″

Men over 5’5

Small: wrist circumference under 6.5″
Medium: wrist circumference between 6.5″ and 7.5″
Large: wrist circumference over 7.5″


Disclosure: Bear in mind that some of the links in this post are affiliate links and if you go through them to make a purchase then this blog may receive a commission. Although we receive a commission for using and linking affiliate products, they are extremely good and all our opinion and suggestions are unbiased.

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