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Sperm Count Analysis Calculator

Work out sperm count analysis instantly with clear inputs, formula shown and shareable results.

About Sperm Count Analysis Calculator

Multiplies concentration by volume for total count, applies motility for the total motile count, and compares each parameter with the WHO 2021 lower reference limits.

Formula

WHO 2021 lower reference limits

Volume 1.4 mL, concentration 16 million/mL, total count 39 million, total motility 42%, progressive motility 30%, normal morphology 4%

Worked example

With the default values below, Sperm Count Analysis Calculator returns Total sperm count of 60.0. Change any input above and every figure here is recalculated in your browser.

Inputs used

Sperm concentrationaccepts 0–400 million/mL
20 million/mL
Semen volumeaccepts 0.1–10 mL
3 mL
Total motilityaccepts 0–100 %
45 %
Normal morphologyaccepts 0–30 %
5 %

Results

Total sperm count
60.0 million
Total motile sperm count
27.0 million
WHO reference comparison
All parameters at or above the WHO 2021 lower reference limits
Parameters below the limit
0

Step by step

  1. 1Values used
  2. 2WHO 2021 lower reference limits
  3. 3Total sperm count= 60.0 million
  4. 4Total motile sperm count= 27.0 million
  5. 5WHO reference comparison= All parameters at or above the WHO 2021 lower reference limits
  6. 6Parameters below the limit= 0

Assumptions and limits

  • The result is derived only from the 4 inputs listed above. Anything not among them is not part of the calculation.
  • In particular, this calculator does not take inflation, tax, fees or charges or compounding frequency into account.
  • Figures are rounded for display to 1 decimal place, so totals built from several rounded parts can differ slightly from the unrounded arithmetic.
  • Educational estimate only. Not a substitute for professional clinical judgement, and must not be used to make treatment or dosing decisions.
  • This is an estimate for general information and not professional medical advice. See the full disclaimer for the limits that apply to this kind of calculator.

How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.

Educational estimate only. Not a substitute for professional clinical judgement, and must not be used to make treatment or dosing decisions.

Frequently Asked Questions

Are the reference limits a fertility threshold?

No. They are the 5th centile of men who fathered a child within a year, not a cut-off for fertility.

How many samples are needed?

At least two samples several weeks apart, because within-person variation is large.

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