Update app.py

app.py

@@ -1,27 +1,40 @@
-
 import streamlit as st
-st.title("BMI Calculator")
 
-weight = st.number_input("Enter your weight (kg):", min_value=1.0, format="%.2f")
+st.title("BMI Calculator App")
+
+# Input weight
+weight = st.number_input("Enter your weight (in kgs)", min_value=0.0, step=0.1)
+
+# Select height format
+status = st.radio('Select your height format:', ('cms', 'meters', 'feet'))
 
-height_unit = st.selectbox("Select height unit:", ["Centimeters", "Meters", "Feet"])
-height = st.number_input("Enter your height:", min_value=1.0, format="%.2f")
-if height_unit == "Centimeters":
-    height = height / 100
-elif height_unit == "Feet":
-    height = height * 0.3048
+# Input height based on selection
+height = 0
+if status == 'cms':
+    height = st.number_input('Enter height in Centimeters', min_value=0.0, step=0.1)
+    height /= 100  # Convert to meters
+elif status == 'meters':
+    height = st.number_input('Enter height in Meters', min_value=0.0, step=0.01)
+elif status == 'feet':
+    height = st.number_input('Enter height in Feet', min_value=0.0, step=0.1)
+    height /= 3.281  # Convert to meters
 
-if height > 0:
-    bmi = weight / (height ** 2)
-    st.write(f"### Your BMI: {bmi:.2f}")
+# BMI Calculation and Display
+if st.button('Calculate BMI'):
+    if height > 0:
+        bmi = weight / (height ** 2)
+        st.text(f"Your BMI Index is {bmi:.2f}.")
 
-    if bmi < 18.5:
-        st.warning("You are underweight.")
-    elif 18.5 <= bmi < 24.9:
-        st.success("You have a normal weight.")
-    elif 25 <= bmi < 29.9:
-        st.warning("You are overweight.")
+        # Categorizing BMI
+        if bmi < 16:
+            st.error("You are Extremely Underweight")
+        elif 16 <= bmi < 18.5:
+            st.warning("You are Underweight")
+        elif 18.5 <= bmi < 25:
+            st.success("You are Healthy")
+        elif 25 <= bmi < 30:
+            st.warning("You are Overweight")
+        else:
+            st.error("You are Extremely Overweight")
     else:
-        st.error("You are in the obese category.")
-else:
-    st.error("Please enter a valid height.")
+        st.error("Please enter a valid height greater than 0.")