Pound/Gallon (US) to Pound/Cubic Inch Converter

Density Converter

16 units available

Decimals:

From

To

0.004329

1 lb/gal = 0.004329 lb/in³

Formula:

lb/in³ = lb/gal × 0.0043290043

With your value: 1 lb/gal = 0.004329 lb/in³

Other Pound/Gallon (US) to Pound/Cubic Inch conversions

2 lb/gal to lb/in³ 3 lb/gal to lb/in³ 4 lb/gal to lb/in³ 5 lb/gal to lb/in³ 6 lb/gal to lb/in³ 7 lb/gal to lb/in³ 8 lb/gal to lb/in³

Pound/Gallon (US) to Pound/Cubic Inch Conversion Table

Pound/Gallon (US) (lb/gal)	Pound/Cubic Inch (lb/in³)
0.5	0.002165
1	0.004329
2	0.008658
5	0.021645
10	0.04329
15	0.064935
20	0.08658
25	0.108225
50	0.21645
100	0.4329
250	1.082251
500	2.164502
1000	4.329004

Pound/Cubic Inch to Pound/Gallon (US) Conversion Table

Pound/Cubic Inch (lb/in³)	Pound/Gallon (US) (lb/gal)
0.5	115.5
1	231
2	462
5	1,155
10	2,310
15	3,465
20	4,620
25	5,775
50	11,550
100	23,100
250	57,750
500	115,500
1000	231,000

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/Gallon (US) (lb/gal)

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 Pound/Gallon (US) to Pound/Cubic Inch

To convert from Pound/Gallon (US) (lb/gal) to Pound/Cubic Inch (lb/in³), multiply the value by 0.0043290043.

Formula: lb/in³ = lb/gal × 0.0043290043

Reverse: lb/gal = lb/in³ × 230.9999999998

Step-by-Step Example

Start with your value in Pound/Gallon (US). For example: 5 lb/gal
Multiply by the conversion factor: 5 x 0.0043290043
The result is: 0.021645 lb/in³

About Pound/Gallon (US)

The pound/gallon (us) (lb/gal) is a unit of density. One pound/gallon (us) equals 119.8264273 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 Pound/Gallon (US)?

There are exactly 0.0043290043 Pound/Cubic Inch in 1 Pound/Gallon (US). This means the conversion factor from Pound/Gallon (US) to Pound/Cubic Inch is 0.0043290043.

What is the formula to convert Pound/Gallon (US) to Pound/Cubic Inch?

The formula to convert Pound/Gallon (US) to Pound/Cubic Inch is: lb/in³ = lb/gal × 0.0043290043. For example, to convert 10 Pound/Gallon (US) to Pound/Cubic Inch, you would multiply 10 by 0.0043290043.

What is a Pound/Gallon (US)?