Use this fecal-egg-count conversion to calculate eggs per gram from a named quantitative method with the correct chamber, dilution, sample mass, and counting convention.

Eggs on slide

Required integer input.

Template factor

Optional integer input.

Convert Kato-Katz slide egg counts to eggs per gram using the template factor; the standard forty one point seven milligram template gives a multiplication factor of twenty four. The tool evaluates the supplied inputs together and returns the named outputs below; it does not infer omitted operating conditions or change the units shown.^[1]

Eggs per gram

The resulting eggs per gram returned as a number.

• Egg counts vary with sampling, mixing, flotation solution, chamber loading, detection limit, species, shedding, storage, and operator technique. They do not directly equal parasite burden or establish treatment need.
• Use finite inputs in the displayed units and preserve more precision than the final presentation requires. Independently verify safety-critical, financial, compliance, or production decisions.

Follow the validated laboratory protocol, run replicates and controls, identify parasites where possible, and interpret results with clinical and resistance-testing context.

• McMaster EPG Calculator

  Compute fecal egg counts in eggs per gram with the documented simple McMaster form: eggs counted in one chamber grid multiplied by the chamber factor, fifty with standard dilution adjustment.

• Flotac Two-Chamber EPG

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