How much should I weigh? You know that your body composition and being fit are important, but you are unsure how to get there.

We all want to look great and feel confident in our skin. This is why so many of us work out regularly and follow strict diets to lose weight with the best intentions. But this doesn’t always lead to the results we want or expect.

Build your body offers a simple way for everyone to find their ideal body weight based on their height, age, gender, and build type using an easy formula (BMI). The BMI calculator will then tell you what your “ideal weight” should be according to science – not opinion!

Our goal is simple, help people achieve healthier bodies by giving them actionable tools they can use every day from home or office without expensive gym memberships or personal trainers.

How to calculate the ideal weight?

The formula you can use to calculate your ideal weight is based on your height. The calculation is done using the following formulas:

Devine’s formula

Devine’s formula is a method for calculating one’s normal weight based on weight-for-height. Thus, Devine’s formula provides you with the “ideal” weight you should have if you want to be at the lowest risk of mortality.

Devine uses a mathematical formula to calculate your ideal weight. The formula is shown below:

Men ideal body weight = 110 lb + 0.9 2.0 lb × (height (cm) − 152)

Women ideal body weight = 100 lb) + 2.0 lb× (height (cm) − 152)

Howard’s formula

Howard’s formula is a general rule you can use to find your normal weight. You need to know your height in inches, and you can find it.

Let’s say you’re 5 feet, 4 inches tall, and you want to know how much you should weigh. Multiply your height by five and divide the number you get by four. This will give you the answer in pounds.

Mifflin St Jeor formula

The Mifflin St. Jeor formula is the most accurate formula you can use to find your ideal weight. You need to know your height, weight and you can find your ideal body weight. Here you go:

wt in pounds = m2 x ht (in inches) x 14.14 + m2 / 4

Let’s say you’re 5 feet, 8 inches tall, and you want to know how much you should weigh. Multiply your height by five and divide the number you get by four. This will give you the answer in pounds.

Robinson’s Formula

Robinson’s formula is a mathematical equation for calculating your ideal weight. For example, you use the following equation to find your ideal weight:

  • Men: 50 kg + 0.75 x (height in cm – 152.4)
  • Women: 45.5 kg + 0.67 x (height in cm – 152.4)

Miller’s formula

Miller’s formula is a mathematical equation you can use to calculate your ideal weight. For example, you need your height without shoes on in inches, your ideal body weight, and you can find it using this formula:

  • Men: 50 kg + 0.555 x (height in cm – 152.4)
  • Women: 45.5 kg + 0.535 x (height in cm – 152.4)

Hamwi Formula

Hamwi’s formula is a mathematical equation you can use to calculate your ideal weight. It is used on patients who have respiratory problems. For example, you can find your it using this formula:

  • Men: 50 kg + 1.06 x (height in cm – 152.4)
  • Women: 45.5 kg + 0.866 x (height in cm – 152.4)

Lemmens formula

The Lemmens formula is a mathematical equation you can use to calculate your average weight. For example, you need your height without shoes on in inches, your ideal body weight, and you can find it using this formula:

Men and Women: 22 x (height in m2)

Below, we leave you a very accurate ideal weight calculator:

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How much should I weigh? Ideal weight chart

Woman 30 years old

  • 5.0 feet: 97.3-122.9 lbs
  • 5.2 feet: 103.9 lbs – 131.2 lbs
  • 5.4 feet: 110.7-139.8 lbs
  • 5.6 feet: 117.7-148.7 lbs
  • 5.8 feet: 125-157.8 lbs
  • 9.9 feet: 128.7 lbs – 162.5 lbs
  • 6.0 feet: 140.1 lbs – 177.0 lbs

40 years old woman

  • 5.0 feet: 102.4 lbs – 128.0 lbs
  • 5.2 feet: 109.3 lbs – 136.7 lbs
  • 5.4 feet: 116.5 lbs – 145.6 lbs
  • 5.6 feet: 123.9 lbs – 154.9 lbs
  • 5.8 feet: 131.5 lbs – 164.4 lbs
  • 5.9 feet: 135.4 lbs – 169.3 lbs

50 years old woman

  • 5.0 feet: 107.5 lbs – 133.1 lbs
  • 5.2 feet: 114.8 lbs – 142.2 lbs
  • 5.4 feet: 122.3 lbs – 151.5 lbs
  • 5.6 feet: 130.1 lbs – 161.1 lbs
  • 5.8 feet: 138.1 lbs – 171.0 lbs
  • 5.9 feet: 142.2 lbs – 176.1 lbs

60 years old woman

  • 5.0 feet: 112.6 lbs – 138.3 lbs
  • 5.2 feet: 120.3 lbs – 147.6 lbs
  • 5.4 feet: 128.2 lbs – 157.3 lbs
  • 5.6 feet: 136.3 lbs – 167.3 lbs
  • 5-8 feet: 144.7 lbs – 177.6 lbs
  • 5.9 feet: 149.0 lbs – 182.8 lbs

Calculation of ideal weight using Body Mass Index (BMI)

The Quetelet Index (1835), re-christened as the Body Mass Index (BMI) by Keys in 1972, expresses the relationship between weight and height (BMI=kg/m2) and is nowadays the most accepted international standard for defining a healthy weight or indicating degrees of overweight.

  • BMI formula is: BMI=Kg/m2
  • BMI formula in imperial units: BMI=lb/in2.

Below, we have a BMI calculator for the viewer’s convenience:

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The Centers for Disease Control and Prevention (CDC) defines a person as underweight if their body weight is less than 30 kilograms for men and 25 kilograms for women, and has guidelines for the normal weight range in adults 20-25 kg/m2.

Grade 1 Obesity: BMI 30-34.9 kg/m2  – you are considered overweighed by at least 10% Grade 2 Obesity: BMI 35-39.9 kg/m2 you are considered to be obese, in the range you may suffer from various health problems Grade 3 Obesity: BMI > 40 you are definitely obese, and you are at high risk for various diseases.

 Limitations of ideal weight estimation methods

How much should I weigh? Girl with a scale

As you know, you can use BMI and your ideal weight to calculate your average weight. This is because it is easy to do, and doctors recommend it. One of the reasons you want to calculate your BMI is that you might be overweight or obese if you are a child.

The body mass index is a common way to measure whether you are healthy or not, but you need to consider your bone and muscle composition.

It can often tell you you have weight problems when you don’t. For example, you could be an athlete with a high muscle mass, and the BMI tells you that you’re overweight.

What is the body fat percentage in ideal body weight?

How much fat should I have in my body? Now let me break it down for you:

  • Athletes: Women 14-20%. Men 6-13% body fat.
  • Fitness: Women 21-24%. Men 14-17% body fat.
  • Acceptable normal ranges: Women 25%-31%. Men 18-25% body fat.
  • Obese individuals include over 32 percent for females and 26 or more percent of the total body fat percentage for males.

How does one measure their body fat percentage at home? It is straightforward, hip and waist measurement. To calculate your body fat percentage, take the circumference of your waist and hips.

For example, if you have a 32-inch waist and 34-inch hip measurement, subtracting 14 inches for the neck gives 52 as the final circumference.

Conclusion

The best way to find out how much you should weigh is by calculating your BMI. Your BMI is a number that tells how much you weigh. It is calculated by your weight divided by the square of your height. This number can tell if you are healthy.

After taking this measurement, consult with your medical doctor. They will provide medical advice about what would be healthy for you as far as weight goes! (Trusted sources 1*, 2*, 3*, 4*)

Medically reviewed and approved by Nataniel Josue M D.