Unit Conversion & Measurement

Density & Specific Gravity

Compute material density and specific gravity from mass and volume measurements.

Calculate density in kg per cubic meter and g per cubic centimeter while also reporting specific gravity relative to water. Enter the sample mass and volume, then review the outputs for QA reports, lab notebooks, or process control charts. Keep the values consistent with your lab standards to simplify audits.

Your Input and Get Results

Use the same measurement conditions when comparing samples.

Results

Density (kg/m3) -

Enter values and calculate to see the output.

Density (kg/m3)
-
SI baseline
Density (g/cm3)
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Lab reporting
Specific gravity
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Relative to water

Material vs water chart

Material share Water baseline

Results table

Metric Value
Enter values and calculate to see the output.

Precautionary guidance

  • Use consistent temperature and pressure conditions for each sample.
  • Confirm volume measurements with calibrated lab glassware.
  • Document the sample ID and batch in your report.
  • Recalculate after adjusting for moisture content or impurities.
  • Review outliers before publishing QA summaries.
  • Store exports with the lab notebook entry for audits.

Include temperature and sample notes with density reports.

How to use this calculator

Measure Mass And Volume

Record the mass and volume using calibrated equipment. Keeping units consistent ensures the density calculation is accurate and repeatable across samples.

Review Density Outputs

Compare the kg per cubic meter and g per cubic centimeter values when preparing lab reports. Both formats are shown so you can align with internal SOPs.

Check Specific Gravity

Specific gravity is density relative to water. Use it to compare materials quickly and to flag outliers against expected benchmarks.