BMI Calculator

Overview

BMI Calculator works out Body Mass Index from a few simple inputs and shows what the number means on a clear, colour-coded scale.

What It Does

• Gender selector and age input with +/− buttons
• Height and weight sliders with cm/ft and kg/lbs unit toggles
• Instant result with a colour-coded BMI category: Underweight, Normal, Overweight or Obese
• Visual BMI scale bar showing all four ranges (below 18.5, 18.5–24.9, 25–29.9, 30 and above)
• Health advice matched to the result

How It's Built

• Single-screen app with no permissions and no internet use.
• All calculation happens on the device; nothing is stored or sent anywhere.

Tech Stack

Kotlin, Android Views (Material Components).

Status

Complete and installable as an Android app. Not yet published on Google Play.