Here is the formula to calculate bacterial concentration

Last updated: 11/5/2023

Here is the formula to calculate bacterial concentration using the spread plate technique viable count CFU mL CFU x dilution factor over the volume of culture plated in mL What is the proper calculation of CFU mL in this solution series Sample 1 mL 1 mL 9 mL 1 10 10 1 1 mL TNTC Plaque counts Source wikisanitarc si 75 CFU x 10 4 per mL 1 mL 1 100 10 345 CELLY 10 4 per ml 9 mL din mL 1354 1 mL 9 mL 1 1000 10 3 1 mL 345 1 mL 9 mL 1 10 000 104 1 mL 75 9 mL 1 100 000 10 5 1 mL 10