Mass per volume density.
Grains per Cubic Centimeter to Pound per Cubic inches Converter — gr/cm3 to lb/in3
Convert Grain per Cubic Centimeter (gr/cm3) to Pound per Cubic inch (lb/in3) using the exact conversion factor (1 grain per cubic centimeter = 0.0023410091 pound per cubic inch). See the formula, worked examples, conversion table, and common uses.
Grains per Cubic Centimeter to Pound per Cubic inches 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 64.79891 / 27679.90471.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grains per Cubic Centimeter to Pound per Cubic inches
Grain per Cubic Centimeter and Pound per Cubic inch 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. Both are mass per volume density units.
Formula
pound per cubic inches = grains per cubic centimeter × 0.00234100914286
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per cubic centimeter equals 64.79891 base units, and 1 pound per cubic inch equals 27679.9047102 base units, so dividing one by the other gives the direct grain per cubic centimeter-to-pound per cubic inch factor of 0.00234100914286.
Simple example
1 gr/cm3 × 0.002341009143 = 0.0023410091 lb/in3
1 grain per cubic centimeter = 0.0023410091 pound per cubic inches.
Real-world example
1,000 gr/cm3 × 0.002341009143 = 2.341009143 lb/in3
1,000 grains per cubic centimeter = 2.341009143 pound per cubic inches.
Conversion table
| Grain per Cubic Centimeter (gr/cm3) | Pound per Cubic inch (lb/in3) |
|---|---|
| 0.1 gr/cm3 | 0.0002341009 lb/in3 |
| 1 gr/cm3 | 0.0023410091 lb/in3 |
| 10 gr/cm3 | 0.0234100914 lb/in3 |
| 100 gr/cm3 | 0.2341009143 lb/in3 |
| 1,000 gr/cm3 | 2.341009143 lb/in3 |
| 10,000 gr/cm3 | 23.41009143 lb/in3 |
Reverse conversion: Pound per Cubic inch to Grain per Cubic Centimeter
0.0023410091 lb/in3 × 427.1662087 = 0.9999999817 gr/cm3
0.0023410091 pound per cubic inches = 0.9999999817 grains per cubic centimeter.
grains per cubic centimeter = pound per cubic inches × 427.166208663
For a page dedicated to this direction, see Pound per Cubic inch to Grain per Cubic Centimeter.
Understanding the Grain per Cubic Centimeter (gr/cm3)
Mass per volume density.
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
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 pound per cubic inches are in 1 grain per cubic centimeter?
1 grain per cubic centimeter equals 0.0023410091 pound per cubic inches, using the exact defined conversion factor rather than an estimate.
How do I convert grain per cubic centimeter to pound per cubic inch?
Multiply the grain per cubic centimeter value by 0.002341009143. The converter above does this instantly to whatever precision you set.
How do I convert pound per cubic inch back to grain per cubic centimeter?
Use the reverse factor: 1 pound per cubic inch equals 427.1662087 grains per cubic centimeter. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per cubic centimeter?
Grain per Cubic Centimeter (gr/cm3) is a unit of density.
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.
Is the grain per cubic centimeter to pound per cubic inch conversion exact?
Yes. Both grain per cubic centimeter and pound per cubic inch are defined by fixed standards rather than physical artifacts, so the factor of 0.002341009143 used above is exact to as many digits as you choose to display.
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.