Bottle Status Logic

bottle_status_logic.js

// source http://jsbin.com/mokikomobe

const current_bottle_weight = 1120;

const empty_bottle_weight = 649;
const full_bottle_weight = 1357;

const full_bottle_ml = 700;

const full_bottle_volume = full_bottle_weight - empty_bottle_weight;
const current_bottle_volume = current_bottle_weight - empty_bottle_weight;

// Calculate current percentage in bottle
const current_bottle_percentage = current_bottle_volume * (100 / full_bottle_volume)

// Calculate bottle volume in ml
const current_bottle_ml = (full_bottle_ml / 100) * current_bottle_percentage


console.log(`This bottle is ${Math.round(current_bottle_percentage)}% full, and has ${Math.round(current_bottle_ml / 10) * 10}ml remaining.`)

// This bottle is 67% full, and has 470ml remaining.