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# Adjusted Body Weight Calculator

Determine the adjusted body weight of a person in no time by giving a couple of simple inputs to this ABW calculator.

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Estimate your ideal body weight and adjusted body weight within seconds by using this simple adjusted body weight calculator.

## Understanding Adjusted Body Weight:

This is a vital calculation that is used in the medical field to estimate the overall health condition of a patient. It helps to estimate the correct dosage of medicines for obese patients.

BMI (Body Mass Index) is widely used to measure obesity in patients as shown in the following table:

 Category BMI Underweight Below 18.5 kg/m Normal 18.5 to 24.9 kg/m Overweight 25.0 to 29.9 kg/m Obese - Class I 30.0 to 34.9 kg/m Obese - Class II 35.0 to 39.9 kg/m Extreme Obesity (Class III) Above 40 kg/m

## When To Use Adjusted Body Weight?

ABW is widely used for overweight or obese patients. It tells about the exact nutritional needs of the patient.

Therefore, it is used when doctors or dietitians have to know the nutritional needs of the body, suggest the dosage of a medicine, or have to create a diet plan for the patient who have gained weight

## Adjusted Body Weight Formula:

Have a look at the following Adjusted Body Weight Equation:

ABW = IBW + 0.4 (actual weight - IBW)

Males Ideal Body Weight: IBW = 50 kg + 2.3 kg for each inch over 5 feet

Female Ideal Body Weight: IBW = 45.5 kg + 2.3 kg for each inch over 5 feet Where

• IBW represents the ideal body weight
• AW is the actual body weight

## What Is The Ideal Body Weight Percentage?

In the following table, we have provided the ideal body weight values for both genders.

 Height in Feet Height in cm Average Weight in KG for Male Average Weight in KG for Female 4’6” feet 137 cm 28.5 – 34.9 kg 28.5 – 34.9 kg 4’7” feet 140 cm 30.8 – 38.1 kg 30.8 – 38.1 kg 4’8” feet 142 cm 33.5 – 40.8 kg 32.6 – 39.9 kg 4’9” feet 145 cm 35.8 – 43.9 kg 34.9 – 42.6 kg 4’10” feet 147 cm 38.5 – 46.7 kg 36.4 – 44.9 kg 4’11” feet 150 cm 40.8 – 49.9 kg 39 – 47.6 kg 5’0” feet 152 cm 40.1 – 53 kg 40.8 – 49.9 kg 5’1” feet 155 cm 45.8 – 55.8 kg 43.1 – 52.6 kg 5’2” feet 157 cm 48.1 – 58.9 kg 44.9 – 54.9 kg 5’3” feet 160 cm 50.8 – 60.1 kg 47.2 - 57.6 kg 5’4” feet 163 cm 50.0 – 64.8 kg 49 - 59.9 kg 5’5” feet 165 cm 55.3 – 68 kg 51.2 - 62.6 kg 5’6” feet 168 cm 58 – 70.7 kg 53 - 64.8 kg 5’7” feet 170 cm 60.3 – 73.9 kg 55.3 - 67.6 kg 5’8” feet 173 cm 63 – 70.6 kg 57.1 - 69.8 kg 5’9” feet 175 cm 65.3 – 79.8 kg 59.4 - 72.6 kg 5’10” feet 178 cm 67.6 – 83 kg 61.2 - 74.8 kg 5’11” feet 180 cm 70.3 – 85.7 kg 63.5 - 77.5 kg 6’0” feet 183 cm 72.6 – 88.9 kg 65.3 - 79.8 kg

## How To Calculate Adjusted Body Weight?

Follow the below-mentioned steps to calculate ABW manually:

• First of all, measure your “height” in inches or centimeters
• Determine your “actual weight”
• Find out the “ideal body weight” with the help of the above-written IBW formulas for males and females
• Now put all of these values in the “ABW formula” and get the ABW

If you want to save time, then simply get the help of an online adjusted body weight calculator and perform the whole adjusted body weight calculation swiftly.

### Example:

Let's suppose the ideal body weight of a male who is 64 inches tall is 80 Kg. If he is obese (> IBW + 30 %), how to calculate ABW?

#### Solution:

Given that:

Actual Body Weight = 80 Kg

Height = 64

Now calculate male IBW:

IBW = 50 kg + 2.3 kg for each inch over 5 feet

For finding out the difference = 64 - 60 = 4

IBW = 50 kg + 2.3 x each inch over 60

IBW = 59.2

Now put the values in the ABW Formula:

ABW = IBW + 0.4 (actual weight - IBW)

ABW = 59.2 + 0.4 (80 - 59.2)

ABW = 59.2 + 0.4( 20.8)

ABW = 59.2 + 8.32

ABW = 67.52

## How This Adjusted Body Weight Calculator Serves You?

The ABW calculator uses the height, actual weight, and gender type to calculate the ideal weight and adjusted weight of the body in various units.

### Adjusted Body Weight:

Provides the value of the ABW in kg, pounds(lb), and stones (stone). It represents the nutritional needs of the human body according to the weight and height of a person.

### Ideal Body Weight:

It calculates the IBW according to the gender of a person in kg, pounds(lb), and stones (stone).  This adjusted weight calculator is helpful for doctors and fitness trainers because it enables them to create a good diet plan and dosage of medicine for the patients according to the needs of the body.

## FAQ’s:

### What's The Formula For Adjusted Body Weight For Obesity?

Let's have a look at the following ABW formula for obesity: AjBW = IBW + 0.4 × (ABW - IBW)

### Why Is Adjusted Body Weight Calculated?

ABW is calculated at the time when there is a need to know the energy requirements of an obese patient. Go for an adjusted bw calculator to perform the correct calculation within seconds.

### Why Do I Look Leaner But Weigh The Same?

It happens when you are trying to lose weight, but at the same time, you are gaining muscle. If you are working to lose some weight, then it's good to use a scale as it will let you measure your progress.

## References:

From the source of openanesthesia.org: ABW.

From the source of pharmacytimes.com:  Adjusted Body Weight.

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