Ounce/Cubic Inch to Pound/Cubic Foot Converter

Density Converter

16 units available

Decimals:

From

To

108

1 oz/in³ = 108 lb/ft³

Formula:

lb/ft³ = oz/in³ × 108.0000000005

With your value: 1 oz/in³ = 108 lb/ft³

Other Ounce/Cubic Inch to Pound/Cubic Foot conversions

2 oz/in³ to lb/ft³ 3 oz/in³ to lb/ft³ 4 oz/in³ to lb/ft³ 5 oz/in³ to lb/ft³ 6 oz/in³ to lb/ft³ 7 oz/in³ to lb/ft³ 8 oz/in³ to lb/ft³

Ounce/Cubic Inch to Pound/Cubic Foot Conversion Table

Ounce/Cubic Inch (oz/in³)	Pound/Cubic Foot (lb/ft³)
0.5	54
1	108
2	216
5	540
10	1,080
15	1,620
20	2,160
25	2,700
50	5,400
100	10,800
250	27,000
500	54,000
1000	108,000

Pound/Cubic Foot to Ounce/Cubic Inch Conversion Table

Pound/Cubic Foot (lb/ft³)	Ounce/Cubic Inch (oz/in³)
0.5	0.00463
1	0.009259
2	0.018519
5	0.046296
10	0.092593
15	0.138889
20	0.185185
25	0.231481
50	0.462963
100	0.925926
250	2.314815
500	4.62963
1000	9.259259

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/Cubic Inch (oz/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/Cubic Foot (lb/ft³)

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/Cubic Inch to Pound/Cubic Foot

To convert from Ounce/Cubic Inch (oz/in³) to Pound/Cubic Foot (lb/ft³), multiply the value by 108.0000000005.

Formula: lb/ft³ = oz/in³ × 108.0000000005

Reverse: oz/in³ = lb/ft³ × 0.0092592593

Step-by-Step Example

Start with your value in Ounce/Cubic Inch. For example: 5 oz/in³
Multiply by the conversion factor: 5 x 108.0000000005
The result is: 540 lb/ft³

About Ounce/Cubic Inch

The ounce/cubic inch (oz/in³) is a unit of density. One ounce/cubic inch equals 1729.994044 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 Foot

The pound/cubic foot (lb/ft³) is a unit of density. One pound/cubic foot equals 16.01846337 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 Foot are in 1 Ounce/Cubic Inch?

There are exactly 108.0000000005 Pound/Cubic Foot in 1 Ounce/Cubic Inch. This means the conversion factor from Ounce/Cubic Inch to Pound/Cubic Foot is 108.0000000005.

What is the formula to convert Ounce/Cubic Inch to Pound/Cubic Foot?

The formula to convert Ounce/Cubic Inch to Pound/Cubic Foot is: lb/ft³ = oz/in³ × 108.0000000005. For example, to convert 10 Ounce/Cubic Inch to Pound/Cubic Foot, you would multiply 10 by 108.0000000005.

What is a Ounce/Cubic Inch?