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part per quadrillion
Symbol:  ppq 
Category:  Fraction 
SI Equivalent:  1×10-15 
Dimension nil (fraction) 
System:  INT 
 
Notes
1 ppq = 10-15
Convert     ppq  
1 ppq =
Fraction
  Symbol Unit Name
2.4×10-14  ct, Kt  carat (karat) 
1×10-6  ppb  part per billion 
1×10-13  pph, %  part per hundred 
1×10-7  pphm  part per hundred million 
1×10-10  ppht  part per hundred thousand 
1×10-9  ppm  part per million 
1×10-3  ppt  part per tera 
10×10-13  ppt  part per thousand 
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