Pound/Cubic Inch to Gram/Cubic Centimeter Converter

Density Converter

16 units available

Decimals:

From

To

27.679905

1 lb/in³ = 27.679905 g/cm³

Formula:

g/cm³ = lb/in³ × 27.6799047102

With your value: 1 lb/in³ = 27.67990471 g/cm³

Other Pound/Cubic Inch to Gram/Cubic Centimeter conversions

2 lb/in³ to g/cm³ 3 lb/in³ to g/cm³ 4 lb/in³ to g/cm³ 5 lb/in³ to g/cm³ 6 lb/in³ to g/cm³ 7 lb/in³ to g/cm³ 8 lb/in³ to g/cm³

Pound/Cubic Inch to Gram/Cubic Centimeter Conversion Table

Pound/Cubic Inch (lb/in³)	Gram/Cubic Centimeter (g/cm³)
0.5	13.839952
1	27.679905
2	55.359809
5	138.399524
10	276.799047
15	415.198571
20	553.598094
25	691.997618
50	1,383.995236
100	2,767.990471
250	6,919.976178
500	13,839.952355
1000	27,679.90471

Gram/Cubic Centimeter to Pound/Cubic Inch Conversion Table

Gram/Cubic Centimeter (g/cm³)	Pound/Cubic Inch (lb/in³)
0.5	0.018064
1	0.036127
2	0.072255
5	0.180636
10	0.361273
15	0.541909
20	0.722546
25	0.903182
50	1.806365
100	3.612729
250	9.031823
500	18.063646
1000	36.127292

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Pound/Cubic Inch (lb/in³)

Density

Exact conversion

Derived from mass per unit volume using the definitions above.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

Gram/Cubic Centimeter (g/cm³)

Density

Exact conversion

Derived from mass per unit volume using the definitions above.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

How to Convert Pound/Cubic Inch to Gram/Cubic Centimeter

To convert from Pound/Cubic Inch (lb/in³) to Gram/Cubic Centimeter (g/cm³), multiply the value by 27.6799047102.

Formula: g/cm³ = lb/in³ × 27.6799047102

Reverse: lb/in³ = g/cm³ × 0.036127292

Step-by-Step Example

Start with your value in Pound/Cubic Inch. For example: 5 lb/in³
Multiply by the conversion factor: 5 x 27.6799047102
The result is: 138.399524 g/cm³

About Pound/Cubic Inch

The pound/cubic inch (lb/in³) is a unit of density. One pound/cubic inch equals 27679.90471 kilogram per cubic metres. UnitConvertLab converts it against every other density unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: density calculations, engineering and science, education.

About Gram/Cubic Centimeter

The gram/cubic centimeter (g/cm³) is a unit of density. One gram/cubic centimeter equals 1000 kilogram per cubic metres. UnitConvertLab converts it against every other density unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: density calculations, engineering and science, education.

Frequently Asked Questions

How many Gram/Cubic Centimeter are in 1 Pound/Cubic Inch?

There are exactly 27.6799047102 Gram/Cubic Centimeter in 1 Pound/Cubic Inch. This means the conversion factor from Pound/Cubic Inch to Gram/Cubic Centimeter is 27.6799047102.

What is the formula to convert Pound/Cubic Inch to Gram/Cubic Centimeter?

The formula to convert Pound/Cubic Inch to Gram/Cubic Centimeter is: g/cm³ = lb/in³ × 27.6799047102. For example, to convert 10 Pound/Cubic Inch to Gram/Cubic Centimeter, you would multiply 10 by 27.6799047102.

What is a Pound/Cubic Inch?