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Convert your PCR result from % to log or vice versa from log to %.

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Log results are pretty easy to calculate in your head.

  • 100% = no log drop
  • 10% = 1
  • 1% = 2
  • 0.1% = 3 (hence MR3, or MMR)
  • 0.01 = 4 (MR4)
  • 0.001 = 5 (MR5)

Like the metric system, it’s all very easy because it’s base-10. 

David.

 

Thank you guys, these two replies are so very helpful. I was always a bit vague about it, now finally have an explanation and handy reference. Brilliant.

pigeon.