How much milk do babies need?

Here's are the sample calculator so you don't need to do the math...

Milk Calculator (for the exclusively breastfed baby) Average number of feedings per day Average per feeding, ounces Average per feeding, mL Low range, ounces Low range, mL High range, ounces High range, mL Notes: Babies younger than one month old and babies who are more established on solid foods are expected to have a lower daily milk intake. This calculator is based upon an average daily intake of 25 ounces, with a range of 19-30 ounces per day. Equivalent in mL is an average daily intake of 750 mL, with a range of 570-900 mL per day.

to calculate your milk
source: Kellymom.com