Serial Dilution Calculator
Serial Dilution Series
Calculate concentrations at each step of a serial dilution
Back-Calculate Original Concentration
Find original concentration from a diluted sample count
Formula
Final concentration = C₀ / (DF)ⁿ, where C₀ is initial concentration, DF is dilution factor per step, and n is the number of steps. Total dilution = DFⁿ.
Frequently Asked Questions
What is a serial dilution?
A serial dilution is a stepwise dilution of a substance in solution, where the diluted material from one step is used to make the next dilution. For example, six 1:10 serial dilutions produce a total dilution of 1:1,000,000.
How do you calculate the final concentration in a serial dilution?
Final concentration = Initial concentration / (dilution factor)^n, where n is the number of steps. For a 1:10 dilution repeated 4 times: final = initial / 10⁴ = initial / 10,000.
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