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Essentials of Manufacturing

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part per million
Symbol:  ppm 
Category:  Fraction 
SI Equivalent:  10×10-7 
Dimension nil (fraction) 
System:  INT 
 
Notes
1 ppm = 10-6
Convert     ppm  
1 ppm =
Fraction
  Symbol Unit Name
2.4×10-5  ct, Kt  carat (karat) 
1000  ppb  part per billion 
1×10-4  pph, %  part per hundred 
100  pphm  part per hundred million 
0.1  ppht  part per hundred thousand 
10×108  ppq  part per quadrillion 
1×106  ppt  part per tera 
10×10-4  ppt  part per thousand 
Glossary
Essentials of Manufacturing

Information, coverage of important developments and expert commentary in manufacturing.

CNC Machining Design Guide

Optimize your designs, reduce machining time, and lower your costs.

Negotiate Your Salary

Learn the best principles to negotiate the salary you deserve!

3D Scanners

A white paper to assist in the evaluation of 3D scanning hardware solutions.