Bio Laboratory calculators
8 calculators Cell Doubling Time Calculator Calculate cell doubling time, final population, elapsed time, or population doubling level (PDL). Four solve modes, show-your-work steps, and a growth schedule.
Open Generation Time Calculator Calculate bacterial generation time, growth rate, and specific growth rate from cell counts. Supports time units, reverse-solve, and population projection.
Open Annealing Temperature Calculator Calculate optimal PCR annealing temperature (Ta) from primer Tm using the Rychlik formula or Wallace rule. Includes sequence mode for forward and reverse primers.
Open Cell Dilution Calculator Cell dilution calculator using C1V1=C2V2. Solve for stock volume, concentration, or final volume. Shows dilution factor, diluent to add, and step-by-step math.
Open DNA Concentration Calculator Calculate DNA or RNA concentration from A260 absorbance, convert µg/mL to nM, or generate a dilution protocol. Includes A260/A280 and A260/A230 purity ratio assessment.
Open Ligation Calculator: Insert Mass and Molar Ratio for DNA Cloning Calculate the insert mass needed for a ligation reaction. Enter vector mass, fragment sizes, and molar ratio to get a complete reaction recipe with pipette volumes.
Open Log Reduction Calculator Calculate log reduction, percent kill, survival fraction, D-value and SAL from initial and final microbial counts. Includes forward and reverse modes with step-by-step math.
Open Protein Concentration Calculator Calculate protein concentration from A280 absorbance, Bradford or BCA standard curves, or dilution math. Get results in mg/mL, µg/µL, µM and nmol/mL instantly.
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