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Density and Mass

oz/in³tolb/ft³

Convert ounces per cubic inch (oz/in³) to pounds per cubic foot (lb/ft³).

Factor1 oz/in³ = 108 lb/ft³

Converter

oz/in³

Accepts numbers or expressions, e.g. 150 + 14.7

Result
62.424lb/ft³

Rendered to 6 significant figures.

Formula

Formula
lb/ft³ = oz/in³ × 108

Multiply any value in ounces per cubic inch by 108 to obtain the value in pounds per cubic foot.

Worked example

Convert 0.578 oz/in³ to lb/ft³.

  1. 01Start with 0.578 oz/in³.
  2. 02Multiply by the conversion factor: 0.578 × 108 = 62.424 lb/ft³.
Result0.578 oz/in³ = 62.424 lb/ft³

Conversion table

oz/in³lb/ft³
1108
2216
5540
101080
202160
505400
10010800
20021600
50054000
10001.0800e+5

Reference values rounded to 5 significant figures for display.

FAQ

What is the conversion factor from oz/in³ to lb/ft³?
1 oz/in³ equals 108 lb/ft³. To convert, multiply the value in ounces per cubic inch by 108.
How do I convert 1 oz/in³ to lb/ft³?
1 oz/in³ = 108 lb/ft³. For any value, multiply by 108.
How do I convert lb/ft³ back to oz/in³?
Divide by the same factor — or equivalently, multiply by 0.009259259. So 1 lb/ft³ = 0.00925926 oz/in³.
When would I need to convert ounce per cubic inch to pound per cubic foot?
Density conversions are critical for fluid property datasheets, hydraulic head calculations, and reconciling lab measurements (often g/cm³) with process simulator inputs (kg/m³).
Is the conversion exact?
The factor shown is precise to at least 7 significant figures. For most process-engineering work this is far better than instrument accuracy. For metrology or trade applications, refer to the relevant national standard (NIST, BIPM, ISO 80000).

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