All Microbiology Tools
Bacterial Growth Calculator
Model exponential bacterial growth. Calculate population size, generation number, and growth curves over time.
CFU Calculator
Calculate colony forming units per mL from plate counts. Accounts for dilution factor and plated volume.
OD600 Cell Density Calculator
Convert OD600 absorbance readings to cell density (cells/mL). Includes dilution correction and species presets.
Antibiotic Stock Solution Calculator
Calculate how to prepare antibiotic stock solutions and working concentrations for culture media.
Transformation Efficiency Calculator
Calculate bacterial transformation efficiency (CFU/µg DNA) from plate counts and plating parameters.
Plating Dilution Calculator
Determine the correct dilution factor and volume for plating to achieve countable colonies (30–300 CFU).
Doubling Time Calculator
Calculate bacterial doubling time and specific growth rate from two OD600 or cell count measurements.
Growth Rate Calculator
Calculate specific growth rate (µ), lag phase, and log phase parameters from multi-point growth data.
Antibiotic MIC Calculator
Calculate minimum inhibitory concentration from broth microdilution data. Determine MIC50 and MIC90.
Culture Media Calculator
Scale culture media recipes (LB, M9, BHI, SOC) to any volume. Auto-calculates each component amount.
Viable Cell Count Calculator
Calculate total and viable cell counts from hemocytometer data. Includes trypan blue exclusion method.
Contamination Guide
Identify and troubleshoot common lab contamination types. Visual guide with prevention and remediation steps.