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

Density Converter

16 units available

Decimals:

From

To

277.419433

1 lb/in³ = 277.419433 lb/gal (UK)

Formula:

lb/gal (UK) = lb/in³ × 277.4194327916

With your value: 1 lb/in³ = 277.41943279 lb/gal (UK)

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

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

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

Pound/Cubic Inch (lb/in³)	Pound/Gallon (UK) (lb/gal (UK))
0.5	138.709716
1	277.419433
2	554.838866
5	1,387.097164
10	2,774.194328
15	4,161.291492
20	5,548.388656
25	6,935.48582
50	13,870.97164
100	27,741.943279
250	69,354.858198
500	138,709.716396
1000	277,419.432792

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

Pound/Gallon (UK) (lb/gal (UK))	Pound/Cubic Inch (lb/in³)
0.5	0.001802
1	0.003605
2	0.007209
5	0.018023
10	0.036047
15	0.05407
20	0.072093
25	0.090116
50	0.180233
100	0.360465
250	0.901163
500	1.802325
1000	3.60465

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

Pound/Gallon (UK) (lb/gal (UK))

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 Pound/Gallon (UK)

To convert from Pound/Cubic Inch (lb/in³) to Pound/Gallon (UK) (lb/gal (UK)), multiply the value by 277.4194327916.

Formula: lb/gal (UK) = lb/in³ × 277.4194327916

Reverse: lb/in³ = lb/gal (UK) × 0.0036046501

Step-by-Step Example

Start with your value in Pound/Cubic Inch. For example: 5 lb/in³
Multiply by the conversion factor: 5 x 277.4194327916
The result is: 1,387.097164 lb/gal (UK)

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 Pound/Gallon (UK)

The pound/gallon (uk) (lb/gal (UK)) is a unit of density. One pound/gallon (uk) equals 99.77637266 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/Gallon (UK) are in 1 Pound/Cubic Inch?

There are exactly 277.4194327916 Pound/Gallon (UK) in 1 Pound/Cubic Inch. This means the conversion factor from Pound/Cubic Inch to Pound/Gallon (UK) is 277.4194327916.

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

The formula to convert Pound/Cubic Inch to Pound/Gallon (UK) is: lb/gal (UK) = lb/in³ × 277.4194327916. For example, to convert 10 Pound/Cubic Inch to Pound/Gallon (UK), you would multiply 10 by 277.4194327916.

What is a Pound/Cubic Inch?