app.py

import streamlit as st

def get_height_in_meters(feet, inches):
    total_inches = (feet * 12) + inches
    height_in_meters = total_inches * 0.0254
    return height_in_meters

def calculate_bmi(weight, height_m):
    return weight / (height_m ** 2)

# Streamlit UI
st.title("BMI Converter App")

weight = st.number_input("Enter your weight (kg):", min_value=1.0, format="%.2f")
feet = st.number_input("Enter your height - Feet:", min_value=0, max_value=8, step=1)
inches = st.number_input("Enter your height - Inches:", min_value=0, max_value=11, step=1)

if st.button("Calculate BMI"):
    height_m = get_height_in_meters(feet, inches)
    bmi = calculate_bmi(weight, height_m)

    st.write(f"### Your BMI 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.info("You are overweight.")
    else:
        st.error("You are obese.")