convert "less than" value from ppb to ppm

  • Thread starter Thread starter rlihle1
  • Start date Start date
R

rlihle1

Need a formula to change values from parts per billion to parts per million,
but need to have formula to check for "less than" and complete conversion.

51 would be 0.051
<5 would be <0.005
THANKS
 
=if(left(a1,1)="<","<"&right(a1,len(a1)-1)/1000,a1/1000)

Regards,
Fred
 
Try
=IF(N(A1),"",LEFT(A1,1))&IF(N(A1),A1/1000,MID(A1,2,99)/1000)
 
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