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 Cubic inch
Convert pound per cup (lb/cup) to stone per cubic inch (st/in3) instantly with formula, conversion table, and FAQ.
Reserved for a responsive leaderboard above the conversion details.
Professional calculator style
World-scale conversion engine
30+ categories
6,500+ units
Instant results
Offline ready
Density calculator
Density Converter
Convert pound per cup (lb/cup) to stone per cubic inch (st/in3) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
Stone per Cubic inch (st/in3) expresses mass in stone per unit volume in cubic inch, found by dividing a mass value by a volume value.
st/in3 = lb/cup × 0.004947
Results update instantly for Pound per Cup to Stone per Cubic inch conversions.
Reserved above the conversion cards and below the converter.
Formula
st/in3 = lb/cup × 0.004947
lb/cup = st/in3 × 202.125
Conversion table
| 1 lb/cup | 0.004947 st/in3 |
| 5 lb/cup | 0.024737 st/in3 |
| 10 lb/cup | 0.049474 st/in3 |
| 20 lb/cup | 0.098949 st/in3 |
| 50 lb/cup | 0.247372 st/in3 |
| 100 lb/cup | 0.494743 st/in3 |
| 500 lb/cup | 2.473717 st/in3 |
| 1000 lb/cup | 4.947434 st/in3 |
Related conversions
Reserved between the cards and the FAQ so the page stays balanced.
How the formula works
Both pound per cup and stone per cubic inch 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 0.004947 to get stone per cubic inch. To reverse the conversion, multiply a stone per cubic inch value by 202.125 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 Cubic inch (st/in3)?
Stone per Cubic inch (st/in3) expresses mass in stone per unit volume in cubic inch, found by dividing a mass value by a volume value.
How do I convert pound per cup to stone per cubic inch?
Multiply the pound per cup value by 0.004947 to get the equivalent in stone per cubic inch. For example, 5 lb/cup × 0.004947 = 0.024737 st/in3.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 0.004947 is an exact, non-rounded value.
Can I convert stone per cubic inch back to pound per cup?
Yes. Divide the stone per cubic inch value by 0.004947, or multiply it by 202.125, to get pound per cup.
Reserved between the FAQ and the article so the page stays balanced.
About converting pound per cup to stone per cubic inch
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 Cubic inch (st/in3) expresses mass in stone per unit volume in cubic inch, found by dividing a mass value by a volume value.
Use this calculator to move between pound per cup and stone per cubic inch accurately for science, engineering, manufacturing, or everyday density calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.