OneFreePlaceUtility #100
Materials · laboratory · process · engineering

Density Lab

Convert mass density precisely, solve ρ = m/V, inspect specific gravity and liquid gravity scales, calculate sample density from geometry, and explore material references — all locally in your browser.

Converted value
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—kg/m³
—g/cm³
—lb/ft³
—specific volume m³/kg

All equivalents

Quick material values

Density depends on temperature, pressure, composition, moisture and porosity. Conversion preserves the value you entered; it does not correct the material to another condition.

Solve density, mass or volume

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Sample geometry

—volume cm³
—density kg/m³
—g/cm³
—SG vs 1000

Specific gravity / API / Baumé

—density kg/m³
—specific gravity
—°API
—specific volume
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°Bé heavy-liquid formula
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°Bé light-liquid formula

Scale conventions

SG = density ÷ chosen reference density.
°API = 141.5 / SG − 131.5.
°Bé heavy = 145 − 145 / SG.
°Bé light = 140 / SG − 130.

API and Baumé are convention-dependent liquid scales. Real standards specify reference temperatures and measurement procedures. This lab converts the mathematical scales from the SG you provide; it does not temperature-correct a sample.

Typical reference densities

Compare current value

Current density
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Reference values are approximate examples, not material certificates. Alloys, temperature, pressure, moisture and porosity can shift real density substantially.