Mass per volume density.
Pound per Cubic inches to Ounces per Cubic Millimeter Converter — lb/in3 to oz/mm3
Convert Pound per Cubic inch (lb/in3) to Ounce per Cubic Millimeter (oz/mm3) using the exact conversion factor (1 pound per cubic inch = 0.0009763799 ounce per cubic millimeter). See the formula, worked examples, conversion table, and common uses.
Pound per Cubic inches to Ounces per Cubic Millimeter converter
Converter
Density Converter
Convert thousands of mass-per-volume density combinations for science, engineering, agriculture, and fluids.
Context values
Some unit families need one extra value for a physically accurate result.
Mass per volume density.
Result = input x 27679.90471 / 2.83495231e+7.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Pound per Cubic inches to Ounces per Cubic Millimeter
Pound per Cubic inch and Ounce per Cubic Millimeter both measure density — mass per unit volume — a property used to identify materials, check manufacturing quality, and predict whether something floats or sinks. As a fixed reference point, water has a density of exactly 1000 kg/m³ (1 g/cm³, 1 g/mL) at its temperature of maximum density, which is why many density figures in science and engineering are quoted relative to water. Pound per Cubic inch is most often used for used in machining and materials engineering, particularly for describing the density of metals, where a smaller volume unit than the cubic foot gives a more convenient figure.
Formula
ounces per cubic millimeter = pound per cubic inches × 0.000976379905516
This factor comes from each unit's defined relationship to the category's base unit: 1 pound per cubic inch equals 27679.9047102 base units, and 1 ounce per cubic millimeter equals 28349523.125 base units, so dividing one by the other gives the direct pound per cubic inch-to-ounce per cubic millimeter factor of 0.000976379905516.
Simple example
1 lb/in3 × 0.0009763799055 = 0.0009763799 oz/mm3
1 pound per cubic inch = 0.0009763799 ounces per cubic millimeter.
Real-world example
1,000 lb/in3 × 0.0009763799055 = 0.9763799055 oz/mm3
1,000 pound per cubic inches = 0.9763799055 ounces per cubic millimeter.
Conversion table
| Pound per Cubic inch (lb/in3) | Ounce per Cubic Millimeter (oz/mm3) |
|---|---|
| 0.1 lb/in3 | 0.000097638 oz/mm3 |
| 1 lb/in3 | 0.0009763799 oz/mm3 |
| 10 lb/in3 | 0.0097637991 oz/mm3 |
| 100 lb/in3 | 0.0976379906 oz/mm3 |
| 1,000 lb/in3 | 0.9763799055 oz/mm3 |
| 10,000 lb/in3 | 9.763799055 oz/mm3 |
Reverse conversion: Ounce per Cubic Millimeter to Pound per Cubic inch
0.0009763799 oz/mm3 × 1024.1915 = 0.9999999944 lb/in3
0.0009763799 ounces per cubic millimeter = 0.9999999944 pound per cubic inches.
pound per cubic inches = ounces per cubic millimeter × 1024.1915
For a page dedicated to this direction, see Ounce per Cubic Millimeter to Pound per Cubic inch.
Understanding the Pound per Cubic inch
Pound per Cubic inch (lb/in3) measures density. A US customary density unit suited to describing dense materials in a small volume. It is classified as a US customary density unit.
Where it's used: United States
Uses of the Pound per Cubic inch today
- Used in machining and materials engineering, particularly for describing the density of metals, where a smaller volume unit than the cubic foot gives a more convenient figure
Understanding the Ounce per Cubic Millimeter (oz/mm3)
Mass per volume density.
Pound per Cubic inch — sources
- US materials-engineering reference tables — Pounds per cubic inch is a commonly tabulated density unit for metals in US machining and materials references.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many ounces per cubic millimeter are in 1 pound per cubic inch?
1 pound per cubic inch equals 0.0009763799 ounces per cubic millimeter, using the exact defined conversion factor rather than an estimate.
How do I convert pound per cubic inch to ounce per cubic millimeter?
Multiply the pound per cubic inch value by 0.0009763799055. The converter above does this instantly to whatever precision you set.
How do I convert ounce per cubic millimeter back to pound per cubic inch?
Use the reverse factor: 1 ounce per cubic millimeter equals 1,024.1915 pound per cubic inches. You can also use the swap control in the converter above to flip the direction instantly.
What is a pound per cubic inch?
Pound per Cubic inch (lb/in3) measures density. A US customary density unit suited to describing dense materials in a small volume. It is classified as a US customary density unit.
What is a ounce per cubic millimeter?
Ounce per Cubic Millimeter (oz/mm3) is a unit of density.
Is the pound per cubic inch to ounce per cubic millimeter conversion exact?
Yes. Both pound per cubic inch and ounce per cubic millimeter are defined by fixed standards rather than physical artifacts, so the factor of 0.0009763799055 used above is exact to as many digits as you choose to display.
Where is the pound per cubic inch still used today?
United States
What's the difference between density and mass concentration?
Density is the mass of a pure substance or material per unit volume. Mass concentration is the mass of one component — like a dissolved solute — within a mixture's total volume. The two use the same kind of units but describe different physical situations.