Measure cells accurately across dilutions and samples. Track viability, averages, total yield, and concentration trends. Make faster laboratory decisions with clear results and exports.
Sample hemocytometer counts for a quick testing scenario.
| Square | Observed Count | Notes |
|---|---|---|
| 1 | 95 | Uniform distribution |
| 2 | 102 | Slightly above mean |
| 3 | 98 | Near center value |
| 4 | 100 | Stable reading |
| 5 | 97 | Acceptable variation |
It estimates cells per milliliter from chamber counts, then extends the result to cells per microliter, total sample cells, viability-adjusted concentration, and replicate consistency.
Use the square area and depth that match your counting chamber. A common hemocytometer setting is 1 mm² area and 0.1 mm depth.
Multiple squares reduce random error. They also allow calculation of variation, which helps you judge how evenly cells were distributed in the chamber.
The dilution factor corrects for added buffer or stain. If you mixed equal sample and stain volumes, the dilution factor is usually 2.
When live and dead counts are supplied, the calculator computes viability percentage and applies it to total concentration, producing viable and nonviable estimates.
CV, or coefficient of variation, measures replicate spread relative to the mean. Lower values usually indicate more consistent counting and better chamber mixing.
Yes. The calculator still reports concentration, total cells, average count, interval estimates, and replicate quality. Viability outputs simply remain blank.
Compare the current result with your workflow target. If the measured concentration exceeds the target, dilute. If it is lower, concentrate the sample.
Important Note: All the Calculators listed in this site are for educational purpose only and we do not guarentee the accuracy of results. Please do consult with other sources as well.