Colony count → CFU/mL
Plate count with dilution.
Calculator
How to use
Colonies
Same as CFU tool.
Educational use only. Biology models are simplified; clinical and field decisions need appropriate expertise and measurement.
Plate count with dilution.
Same as CFU tool.
Educational use only. Biology models are simplified; clinical and field decisions need appropriate expertise and measurement.
Model / formula
CFU/mL = colonies × dilution / volume plated
Result
CFU/mL ≈ 4.2000e+7