Serial Dilution Calculator
Calculate dilute concentrations across successive serial dilution steps.
Calculation Parameters
Adjust the values below.
Calculated Result
Concentrations per Step:
Expert Tip
Ensure units are correctly formatted (e.g. Kelvin for gas temperatures and liters for volumes) to get chemically accurate outputs.
How this Calculator Works
This calculator allows you to solve Serial Dilution problems dynamically. Adjust the input parameters using the sliders or selection menu below:
- Initial Concentration (%) (Range: 1 to 100, Default: 10)
- Transfer Volume (mL) (Range: 0.1 to 50.0, Default: 1.0)
- Diluent Volume (mL) (Range: 1 to 500, Default: 9)
- Steps (Range: 1 to 8, Default: 5)
The results are computed instantly and updated in the results panel on the right.
Formula & Methodology
Concentration at step N = Initial Concentration * (Dilution per Step)^N
Where:
- Initial Concentration: Parameter value.
- Transfer Volume: Parameter value.
- Diluent Volume: Parameter value.
- Steps: Parameter value.
Step-by-Step Calculation Example
To calculate Serial Dilution manually, follow these steps:
- Identify the input parameters. For example:
- Initial Concentration (%) = 10
- Transfer Volume (mL) = 1.0
- Diluent Volume (mL) = 9
- Steps = 5
- Apply the formula:
Dilution per Step = Transfer Volume / (Transfer Volume + Diluent Volume)
Concentration at step N = Initial Concentration * (Dilution per Step)^N - Verify the calculated value which is updated instantly in the results panel on the right.
Frequently Asked Questions
What is a serial dilution? ▼
A serial dilution is a stepwise series of sequential dilutions performed using the same dilution factor at each step.
How do you calculate concentration at step n in a serial dilution? ▼
Concentration_n = Initial Concentration / (Dilution Factor)^n.
Why are serial dilutions used in microbiology and biochemistry? ▼
Serial dilutions allow accurately creating exponentially lower concentrations across several orders of magnitude.