Convert 18 Ounce/Gallon (US) (oz/gal) to Pound/Cubic Inch (lb/in³).

18 Ounce/Gallon (US) equals 0.00487 Pound/Cubic Inch. Multiply 18 by 0.0002705628.

18 Ounce/Gallon (US) to Pound/Cubic Inch

Worked example: converting Ounce/Gallon (US) to Pound/Cubic Inch

Step 1 — start with the formula. lb/in³ = oz/gal × 0.0002705628
Step 2 — substitute your figure. 18 oz/gal × 0.0002705628
Step 3 — read the result. 18 oz/gal = 0.00487 lb/in³
Step 4 — check it in reverse. oz/gal = lb/in³ × 3,696.0000001506 returns 17.9995 oz/gal, which matches the figure you started with.

Density Converter

16 units available

Decimals:

From

To

0.00487

18 oz/gal = 0.00487 lb/in³

Formula:

lb/in³ = oz/gal × 0.0002705628

With your value: 18 oz/gal = 0.00487013 lb/in³

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

13 oz/gal to lb/in³ 14 oz/gal to lb/in³ 15 oz/gal to lb/in³ 16 oz/gal to lb/in³ 20 oz/gal to lb/in³ 21 oz/gal to lb/in³ 24 oz/gal to lb/in³ Full Ounce/Gallon (US) to Pound/Cubic Inch converter

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

Ounce/Gallon (US) (oz/gal)	Pound/Cubic Inch (lb/in³)
0.5	0.000135
1	0.000271
2	0.000541
5	0.001353
10	0.002706
15	0.004058
20	0.005411
25	0.006764
50	0.013528
100	0.027056
250	0.067641
500	0.135281
1000	0.270563

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

Pound/Cubic Inch (lb/in³)	Ounce/Gallon (US) (oz/gal)
0.5	1,848
1	3,696
2	7,392
5	18,480.000001
10	36,960.000002
15	55,440.000002
20	73,920.000003
25	92,400.000004
50	184,800.000008
100	369,600.000015
250	924,000.000038
500	1,848,000.000075
1000	3,696,000.000151

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.

Ounce/Gallon (US) (oz/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 Ounce/Gallon (US) to Pound/Cubic Inch

To convert from Ounce/Gallon (US) (oz/gal) to Pound/Cubic Inch (lb/in³), multiply the value by 0.0002705628.

Formula: lb/in³ = oz/gal × 0.0002705628

Reverse: oz/gal = lb/in³ × 3,696.0000001506

Step-by-Step Example

Start with your value in Ounce/Gallon (US). For example: 5 oz/gal
Multiply by the conversion factor: 5 x 0.0002705628
The result is: 0.001353 lb/in³

About Ounce/Gallon (US)

The ounce/gallon (us) (oz/gal) is a unit of density. One ounce/gallon (us) equals 7.489151707 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

What is 18 Ounce/Gallon (US) in Pound/Cubic Inch?

18 Ounce/Gallon (US) equals 0.00487 Pound/Cubic Inch.

How many Pound/Cubic Inch are in 1 Ounce/Gallon (US)?

There are exactly 0.0002705628 Pound/Cubic Inch in 1 Ounce/Gallon (US). This means the conversion factor from Ounce/Gallon (US) to Pound/Cubic Inch is 0.0002705628.

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

The formula to convert Ounce/Gallon (US) to Pound/Cubic Inch is: lb/in³ = oz/gal × 0.0002705628. For example, to convert 10 Ounce/Gallon (US) to Pound/Cubic Inch, you would multiply 10 by 0.0002705628.

What is a Ounce/Gallon (US)?