Calculate milk-solids mass or concentration and solve powder addition for a target using an exact mass balance with water, fat, and solids-not-fat detail.

Find the non-water mass of a milk batch.

Use measured or labeled mass percentages. This is a closed mass balance; it does not convert Brix or lactometer readings.

Optional settings

Blank omits fat and solids-not-fat estimates. This describes the original batch.

Related Calculators

Milk Solids Formula

The following two example problems outline the steps and information needed to calculate the Milk Solids.

MS = WM × S / 100

Variables:

  • MS is the Milk Solids (g)
  • WM is the total weight of milk (g) 
  • S is the total percentage solids (%) 

To calculate milk solids, multiply the mass of the milk by the total-solids percentage divided by 100. Reverse mode uses S = 100 × MS / WM. For powder addition, x = M(T − C)/(P − T), where C, T and P are current, target and powder total-solids percentages on the same mass basis; for an increase, P must exceed T. The added powder changes the final batch mass.

How to Calculate Milk Solids?

The following steps outline how to calculate the Milk Solids.

  1. First, determine the total weight of milk (g). 
  2. Next, determine the total percentage solids (%). 
  3. Next, gather the formula from above = MS = WM * S/100.
  4. Finally, calculate the Milk Solids.
  5. After inserting the variables and calculating the result, check your answer with the calculator above.

Example Problem : 

Use the following variables as an example problem to test your knowledge.

total weight of milk (g) = 50

total percentage solids (%) = 12.5

MS = WM * S/100 = 50 × 12.5/100 = 6.25 g