# Parts Per Thousand Calculator

Posted by Dinesh onParts per thousand is a value that represents the concentration of one part per thousand parts (1/1,000) of something in water or soil. One parts per thousand is equivalent to 1 milligram of something per liter of water or 1 milligram of something per kilogram of soil.

### Formula:

Parts Per Thousand = (Defective Parts / Total Parts) × 1000

Defective Rate = (Defective Parts / Total Parts)

Defective Rate (%) = (Defective Parts / Total Parts) × 100