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# C program to Calculate Body Mass Index (BMI)

Given with the weight and height of a person and the task is to find the BMI i.e. body mass index of his body and display it.

For calculating the body mass index we require two things −

- Weight
- Height

BMI can be calculated using the formula given below −

BMI = (mass or weight) / (height*height)

Where weight is in kg and height is in meters

## Example

Input 1-: weight = 60.00 Height = 5.1 Output -: BMI index is : 23.53 Input 2-: weight = 54.00 Height = 5.4 Output -: BMI index is : 9.3

**Approach used below is as follows** −

- Input weight(kg) and height(meter) in float variables
- Apply the formula to compute the body mass index
- Print the BMI

## Algorithm

Start Step 1-> Declare function to calculate BMI float BMI(float weight, float height) return weight/height*2 step 2-> In main() Set float weight=60.00 Set float height=5.1 Set float bmi = BMI(weight,height) Print BMI Stop

## Example

#include<stdio.h> //function to calculate BMI index float BMI(float weight, float height) { return weight/height*2; } int main() { float weight=60.00; float height=5.1; float bmi = BMI(weight,height); printf("BMI index is : %.2f ",bmi); return 0; }

## Output

IF WE RUN THE ABOVE CODE IT WILL GENERATE FOLLOWING OUTPUT

BMI index is : 23.53

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