Pound per Cup (lb/cup) expresses mass in pound per unit volume in cup, found by dividing a mass value by a volume value.
Pound per Cup to Stone per Fluid ounce
Convert pound per cup (lb/cup) to stone per fluid ounce (st/fl oz) instantly with formula, conversion table, and FAQ.
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Convert pound per cup (lb/cup) to stone per fluid ounce (st/fl oz) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
Stone per Fluid ounce (st/fl oz) expresses mass in stone per unit volume in fluid ounce, found by dividing a mass value by a volume value.
st/fl oz = lb/cup × 0.008929
Results update instantly for Pound per Cup to Stone per Fluid ounce conversions.
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Formula
st/fl oz = lb/cup × 0.008929
lb/cup = st/fl oz × 112
Conversion table
| 1 lb/cup | 0.008929 st/fl oz |
| 5 lb/cup | 0.044643 st/fl oz |
| 10 lb/cup | 0.089286 st/fl oz |
| 20 lb/cup | 0.178571 st/fl oz |
| 50 lb/cup | 0.446429 st/fl oz |
| 100 lb/cup | 0.892857 st/fl oz |
| 500 lb/cup | 4.464286 st/fl oz |
| 1000 lb/cup | 8.928571 st/fl oz |
Related conversions
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How the formula works
Both pound per cup and stone per fluid ounce measure the same physical quantity (mass per unit volume), so converting between them is a single multiplication. Multiply a value in pound per cup by 0.008929 to get stone per fluid ounce. To reverse the conversion, multiply a stone per fluid ounce value by 112 to get back to pound per cup.
Frequently asked questions
What is Pound per Cup (lb/cup)?
Pound per Cup (lb/cup) expresses mass in pound per unit volume in cup, found by dividing a mass value by a volume value.
What is Stone per Fluid ounce (st/fl oz)?
Stone per Fluid ounce (st/fl oz) expresses mass in stone per unit volume in fluid ounce, found by dividing a mass value by a volume value.
How do I convert pound per cup to stone per fluid ounce?
Multiply the pound per cup value by 0.008929 to get the equivalent in stone per fluid ounce. For example, 5 lb/cup × 0.008929 = 0.044643 st/fl oz.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 0.008929 is an exact, non-rounded value.
Can I convert stone per fluid ounce back to pound per cup?
Yes. Divide the stone per fluid ounce value by 0.008929, or multiply it by 112, to get pound per cup.
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About converting pound per cup to stone per fluid ounce
Pound per Cup (lb/cup) expresses mass in pound per unit volume in cup, found by dividing a mass value by a volume value. Stone per Fluid ounce (st/fl oz) expresses mass in stone per unit volume in fluid ounce, found by dividing a mass value by a volume value.
Use this calculator to move between pound per cup and stone per fluid ounce accurately for science, engineering, manufacturing, or everyday density calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.