DNA Concentration Calculator

Free online DNA concentration calculator. Convert A260 absorbance values to ng/μL concentrations for double-stranded DNA, single-stranded DNA, and RNA using standard conversion factors.

Cell Doubling Time Calculator

This free online calculator computes cell doubling time and number of generations from initial and final cell counts over a given time period. Essential for cell culture and microbiology work.

Cell Dilution Calculator

Free online cell dilution calculator for laboratory use. Calculate required volumes and dilution factors for cell culture experiments with precise results.

Generation Time Calculator

Free online generation time calculator for microbiology and biology. Calculate bacterial doubling time, growth rate, and number of generations with detailed results.

Annealing Temperature Calculator

A free online calculator to determine the optimal annealing temperature for your PCR primers, ensuring efficient and specific DNA amplification in molecular biology experiments.