Calculate bacterial concentration as CFU/mL from colony count, dilution factor, and plating volume.
| Constant | Symbol | Value |
|---|---|---|
| Speed of light | c | 2.99792458×10⁸ |
| Planck's constant | h | 6.62607015×10⁻³‴ |
| Boltzmann constant | kʙ | 1.380649×10⁻²³ |
| Avogadro's number | Nₐ | 6.02214076×10²³ |
| Gravitational constant | G | 6.6743×10⁻¹¹ |
| Gas constant | R | 8.31446 |
| Elementary charge | e | 1.602176634×10⁻¹⁹ |
| Electron mass | mₑ | 9.1093837015×10⁻³¹ |
| Proton mass | mₚ | 1.67262192369×10⁻²⁷ |
| Fine-structure constant | α | 7.2973525693×10⁻³ |
Calculate bacterial concentration as CFU/mL from colony count, dilution factor, and plating volume
Each component has a specific meaning:
Note: Interpret the cfu per ml result against the clinical thresholds and context described above.
Enter the colony count, dilution factor, plating volume for the patient or scenario you are assessing. Calculate bacterial concentration as CFU/mL from colony count, dilution factor, and plating volume. Use the cfu per ml result to inform your clinical assessment.