Membrane Filter Count (CFU per 100 mL) Calculator
Water testing colony count by membrane filtration.
About Membrane Filter Count (CFU per 100 mL) Calculator
Water testing colony count by membrane filtration. The Membrane Filter Count (CFU per 100 mL) Calculator on Picscaler gives you the answer instantly in your browser, with no sign-up.
Inputs: Colonies counted and Volume filtered (mL). Results shown: CFU per 100 mL.
Formula: CFU per 100 mL = colonies x 100 / volume filtered (mL). Choose filters with an ideal colony number for the medium used.
This tool is for education and information. It does not replace clinical judgement, so confirm results against your laboratory's reference ranges and local guidelines.
How to use Membrane Filter Count (CFU per 100 mL) Calculator
- Enter Colonies counted and Volume filtered (mL).
- Press Calculate.
- Read CFU per 100 mL in the result table.
- Use the formula and notes under the result to check the working.
Frequently asked questions
Is Membrane Filter Count (CFU per 100 mL) Calculator free?
Yes. Membrane Filter Count (CFU per 100 mL) Calculator is completely free to use on Picscaler.
Do I need to create an account?
No. You can use it straight away without signing up.
Is my data safe?
Your input is processed in your browser on your own device and is not uploaded to Picscaler.
Can I use it for medical decisions?
No. It is an educational aid and does not replace professional medical judgement.
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