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Method
Uses the tool-specific formulas and assumptions shown in the calculator output.
ToolsConductScience tool
D10/D50/D90Free in-browser calculator
Particle Size Distribution Calculator.
Paste particle diameters to calculate D10, D50, D90, span, sample standard deviation, and coefficient of variation. For materials research, education, and protocol documentation only. Not a certified inspection, compliance, asset-integrity, or final acceptance tool.
PrivateData stays in your browser
LiveNo sign-up required
Validated2026-05-24
CitableMethods and citation included
Calculator
Results update in placeTry it out
Load example particle size data to see the full workflow
Particle diameters
Paste comma, space, semicolon, or newline-separated positive particle diameters.
Results
D10
9.8 um
D50
22 um
D90
41 um
Span
1.4182
Mean
24.4 um
CV
57.64 %
Review notes
- Small sample size: distribution metrics may be unstable below 30 particles.
Methods note
Percentiles use linear interpolation with h = (n - 1) * p / 100. Sample standard deviation uses n - 1.Scope and limitations
For materials research, education, and protocol documentation only. Not a certified inspection, compliance, asset-integrity, or final acceptance tool.
Results are deterministic calculations from the values entered here. Review units, assumptions, and measurement quality before using outputs in reports or protocols.
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Validated
Last validated 2026-05-24. Calculations are designed for planning and documentation support; verify procurement decisions against manufacturer specifications or institutional SOPs.
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How to cite
How to Cite
Particle Size Distribution Calculator (1.2.0). ConductScience, Inc. 2026. Available at: https://conductscience.com/tools/particle-size-distribution-calculator
For materials research, education, and protocol documentation only. Not a certified inspection, compliance, asset-integrity, or final acceptance tool.
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