Formula mixing question

Brittany • Married💍 1 amazing little girl 7-9-19🤱🏽

So let me start off by saying, I am not dumb lol I know it’s 2ounces of water per 1 scoop of formula..... but how are you mommas mixing 3 ounces of formula?? Do you just “eyeball” a half scoop? This makes me soooo nervous because I’ve seen soooo

Many moms try and “stretch” their formula and make their baby’s extremely sick with water intoxication... sincerely first time nervous mom 😊