Density

Lb In3 to Lb Gal Converter

Convert pounds per cubic inch (lb/in³) to pounds per gallon (lb/gal). 1 pound per cubic inch = 231 pounds per gallon (exact)

1 pound per cubic inch = 231 pounds per gallon

How to convert pounds per cubic inch to pounds per gallon

Formulalb/gal = lb/in³ × 231

Multiply the value in pounds per cubic inch by 231. To go the other way, multiply by 0.004329004329 (or divide by 231).

A pound per cubic inch is larger than a pound per US gallon: one pound per cubic inch contains 231 pounds per gallon.

Worked examples

  • 1 pound per cubic inch1 lb/in³ × 231 = 231 lb/gal
  • 5 pounds per cubic inch5 lb/in³ × 231 = 1,155 lb/gal
  • 10 pounds per cubic inch10 lb/in³ × 231 = 2,310 lb/gal
  • 20 pounds per cubic inch20 lb/in³ × 231 = 4,620 lb/gal
  • 100 pounds per cubic inch100 lb/in³ × 231 = 23,100 lb/gal

Pounds per cubic inch to pounds per gallon conversion table

Values are calculated by the conversion engine and rounded to 8 significant figures.

Pounds per cubic inch to pounds per gallon: 0.1–10 lb/in³
Pounds per cubic inch (lb/in³)Pounds per gallon (lb/gal)
0.1 lb/in³23.1 lb/gal
0.25 lb/in³57.75 lb/gal
0.5 lb/in³115.5 lb/gal
1 lb/in³231 lb/gal
2 lb/in³462 lb/gal
3 lb/in³693 lb/gal
4 lb/in³924 lb/gal
5 lb/in³1,155 lb/gal
6 lb/in³1,386 lb/gal
7 lb/in³1,617 lb/gal
8 lb/in³1,848 lb/gal
9 lb/in³2,079 lb/gal
10 lb/in³2,310 lb/gal
Pounds per cubic inch to pounds per gallon: 12–1,000 lb/in³
Pounds per cubic inch (lb/in³)Pounds per gallon (lb/gal)
12 lb/in³2,772 lb/gal
15 lb/in³3,465 lb/gal
20 lb/in³4,620 lb/gal
25 lb/in³5,775 lb/gal
30 lb/in³6,930 lb/gal
40 lb/in³9,240 lb/gal
50 lb/in³11,550 lb/gal
75 lb/in³17,325 lb/gal
100 lb/in³23,100 lb/gal
250 lb/in³57,750 lb/gal
500 lb/in³115,500 lb/gal
1,000 lb/in³231,000 lb/gal

About the units

Pound per cubic inch (lb/in³)

The pound per cubic inch (lb/in³) is a unit of density in the US customary system. One pound per cubic inch equals 27,679.90471 kilograms per cubic meter (kg/m³).

Pound per US gallon (lb/gal)

About 119.83 kg/m³. Drilling mud and liquid fuels are often specified in pounds per gallon; water is about 8.34 lb/gal. One pound per US gallon equals 119.8264273 kilograms per cubic meter (kg/m³).

Frequently asked questions

How many pounds per gallon are in one pound per cubic inch?

There are 231 pounds per gallon in one pound per cubic inch, and this value is exact by definition.

How do I convert pounds per cubic inch to pounds per gallon?

Multiply the number of pounds per cubic inch by 231. For example, 10 lb/in³ × 231 = 2,310 lb/gal.

How many pounds per cubic inch are in one pound per US gallon?

One pound per US gallon equals 0.004329004329 pounds per cubic inch. That is the reverse factor, 1 ÷ 231.

What is 10 pounds per cubic inch in pounds per gallon?

10 lb/in³ = 2,310 lb/gal.

Is this lb/in³ to lb/gal converter accurate?

Yes. Both units are defined exactly in terms of SI units, so the conversion factor is exact; results are shown to 12 significant figures by default and you can change precision in the converter. Calculations run in your browser using the same tested engine that generated this page.

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