Gram/Cubic Meter to Pound/Cubic Inch Converter

Density Converter

16 units available

Decimals:

From

To

3.612729e-8

1 g/m³ = 3.612729e-8 lb/in³

Formula:

lb/in³ = g/m³ × 3.612729e-8

With your value: 1 g/m³ = 3.612729e-8 lb/in³

Other Gram/Cubic Meter to Pound/Cubic Inch conversions

2 g/m³ to lb/in³ 3 g/m³ to lb/in³ 4 g/m³ to lb/in³ 5 g/m³ to lb/in³ 6 g/m³ to lb/in³ 7 g/m³ to lb/in³ 8 g/m³ to lb/in³

Gram/Cubic Meter to Pound/Cubic Inch Conversion Table

Gram/Cubic Meter (g/m³)	Pound/Cubic Inch (lb/in³)
0.5	1.806365e-8
1	3.612729e-8
2	7.225458e-8
5	1.806365e-7
10	3.612729e-7
15	5.419094e-7
20	7.225458e-7
25	9.031823e-7
50	1.806365e-6
100	3.612729e-6
250	9.031823e-6
500	1.806365e-5
1000	3.612729e-5

Pound/Cubic Inch to Gram/Cubic Meter Conversion Table

Pound/Cubic Inch (lb/in³)	Gram/Cubic Meter (g/m³)
0.5	13,839,952.3551
1	27,679,904.7102
2	55,359,809.4204
5	138,399,523.551
10	276,799,047.102
15	415,198,570.653
20	553,598,094.204
25	691,997,617.755
50	1,383,995,235.51
100	2,767,990,471.02
250	6,919,976,177.55
500	13,839,952,355.1
1000	27,679,904,710.2

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.

Gram/Cubic Meter (g/m³)

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

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

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

To convert from Gram/Cubic Meter (g/m³) to Pound/Cubic Inch (lb/in³), multiply the value by 3.612729e-8.

Formula: lb/in³ = g/m³ × 3.612729e-8

Reverse: g/m³ = lb/in³ × 27,679,904.7102

Step-by-Step Example

Start with your value in Gram/Cubic Meter. For example: 5 g/m³
Multiply by the conversion factor: 5 x 3.612729e-8
The result is: 1.806365e-7 lb/in³

About Gram/Cubic Meter

The gram/cubic meter (g/m³) is a unit of density. One gram/cubic meter equals 0.001 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 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.

Frequently Asked Questions

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

There are exactly 3.612729e-8 Pound/Cubic Inch in 1 Gram/Cubic Meter. This means the conversion factor from Gram/Cubic Meter to Pound/Cubic Inch is 3.612729e-8.

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

The formula to convert Gram/Cubic Meter to Pound/Cubic Inch is: lb/in³ = g/m³ × 3.612729e-8. For example, to convert 10 Gram/Cubic Meter to Pound/Cubic Inch, you would multiply 10 by 3.612729e-8.

What is a Gram/Cubic Meter?