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Calcimator

Dilution Plating Calculator

Calculate colony-forming units per mL (CFU/mL) from colony count, dilution factor, and volume plated.

Inputs

Results

CFU/mL

1,500,000,000

Log₁₀ CFU/mL

9.18

Scientific Notation Mantissa1.5
Scientific Notation Exponent9
Colonies Counted150
How to Use This Calculator
  1. Enter Colony Count, Dilution Factor, and Volume Plated (mL).
  2. Review CFU/mL and Log₁₀ CFU/mL.
  3. Use Scientific Notation Mantissa and Scientific Notation Exponent to inform your decision.
  4. Use the chart to visualize the results and explore different scenarios by adjusting inputs.
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Formula

CFU/mL = colony count × dilution factor / volume plated (mL)

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