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Colony CountAll functions are free

Colony Count

Convert CFU/mL based on coating volume and dilution ratio.

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Single plate point estimation; bacterial conglomeration, viable bacterial culturability and counting range influence interpretation.

Colony Count: uses and methods

Convert CFU/mL based on coating volume and dilution ratio.

Applicable scope and calculation boundary

Single plate point estimation; bacterial conglomeration, viable bacterial culturability and counting range influence interpretation.

model and reference method

CFU/mL=count/(volume·dilution)

model version: 1.1.0. The results are used for scientific research, exploration and teaching, please interpret according to the model conditions.

input parameters

colony number(items)
Value range: 0 – 10000
coating volume(mL)
Value range: 0.001 – 100
diluted/original solution ratio
Value range: 1e-12 – 1

How to use

  1. Load the example or enter data that matches the field description.
  2. Confirm units and models, run calculations and check diagnostics.
  3. Export charts, tables or results packages and record model versions.

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FROM SCIENCE TO PRACTICE

commercial application case

Industry Application · Independent Reproduction Example

Colony Count

microbiology quality control team checks plate counts and dilution conversions.

Public industry reference: Wageningen University & Research

The institution’s public research directions include: Microbial ecology, food microorganisms and biological processes. This link serves as a portal for field background and extended learning.

View product or organization original information

on this site

  1. Load the default example of Colony Count and check colony number、coating volume、diluted/original solution ratio and its units.
  2. is calculated using CFU/mL=count/(volume·dilution), and the results are compared after adjusting a single parameter.
  3. checks applicable conditions and diagnostics, and exports numerical tables, charts, and model versions for review.

Deliverables

Convert CFU/mL based on coating volume and dilution ratio. delivers parameter records, calculation charts, and reproducible JSON result packages.

needs to be checked before landing

Single plate point estimation; bacterial conglomeration, viable bacterial culturability and counting range influence interpretation.。

case is compiled for public industry purposes, and the reproduction steps are independent examples of this site; it does not mean that the above-mentioned institutions use or endorse this site, nor does it cite customer benefits that have not been publicly verified. The

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FOLLOW THE RESEARCH

recommended by universities and research institutions

Microbiology

The following is the recommended reading order of this website organized by direction relevance, public research resources and learning portals. The number is the serial number recommended by the editor, not QS, THE or paper measurement ranking; it does not represent the overall strength of the institution.

  1. 01

    Wageningen University & Research

    Netherlands

    Microbial ecology, food microorganisms and biological processes。

    official website link accessibility check: 2026-10-03
  2. 02

    ETH Zürich · Institute of Microbiology

    Switzerland

    Microbial physiology, communities and infection mechanisms The。

    official website link accessibility check: 2026-10-03
  3. 03

    Institut Pasteur

    France

    Microbiology, infection and public health research。

    official website link accessibility check: 2026-10-03

catalog compiled on 2026-10-03. Link accessibility does not equate to verification of the latest papers, admissions, or program status; please check the institution's official website for specific research teams and opportunities.

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