Microbiology CalculatorsBy m.sameerkhanmughal@gmail.com / September 10, 2025 1. Bacterial Doubling Time Initial Count (N₀) Final Count (N) Time Interval (t, hours) Calculate 2. Colony-Forming Units (CFU) Colony Count Dilution Factor Volume Plated (mL) Calculate 3. Serial Dilution Initial Conc (C₀) Dilution Factor (DF) Number of Dilutions (n) Calculate 4. OD600 → Cell Count OD600 Value Calculate 5. Antibiotic Dilution (MIC) Stock Conc (mg/mL) Final Volume (mL) Desired Conc (µg/mL) Calculate 6. Growth Rate (µ) Initial Count (N₀) Final Count (N) Time Interval (t, hours) Calculate 7. Plating Efficiency Colonies Counted Cells Plated Calculate 8. Mutation Frequency Mutant Colonies Total Colonies Calculate 9. Viable Count Colony Count Dilution Factor Volume Plated (mL) Calculate 10. Phage Titer Plaques Counted Dilution Factor Volume Plated (mL) Calculate