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Density and Mass

lb/ft³tooz/in³

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

Factor1 lb/ft³ = 0.009259259 oz/in³

Converter

lb/ft³

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

Result
0.577778oz/in³

Rendered to 6 significant figures.

Formula

Formula
oz/in³ = lb/ft³ × 0.009259259

Multiply any value in pounds per cubic foot by 0.009259259 to obtain the value in ounces per cubic inch.

Worked example

Convert 62.4 lb/ft³ to oz/in³.

  1. 01Start with 62.4 lb/ft³.
  2. 02Multiply by the conversion factor: 62.4 × 0.009259259 = 0.577778 oz/in³.
Result62.4 lb/ft³ = 0.577778 oz/in³

Conversion table

lb/ft³oz/in³
10.0092593
20.018519
50.046296
100.092593
200.18519
500.46296
1000.92593
2001.8519
5004.6296
10009.2593

Reference values rounded to 5 significant figures for display.

FAQ

What is the conversion factor from lb/ft³ to oz/in³?
1 lb/ft³ equals 0.009259259 oz/in³. To convert, multiply the value in pounds per cubic foot by 0.009259259.
How do I convert 1 lb/ft³ to oz/in³?
1 lb/ft³ = 0.00925926 oz/in³. For any value, multiply by 0.009259259.
How do I convert oz/in³ back to lb/ft³?
Divide by the same factor — or equivalently, multiply by 108. So 1 oz/in³ = 108 lb/ft³.
When would I need to convert pound per cubic foot to ounce per cubic inch?
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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