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 Quart
Convert pound per cup (lb/cup) to stone per quart (st/qt) 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 quart (st/qt) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
Stone per Quart (st/qt) expresses mass in stone per unit volume in quart, found by dividing a mass value by a volume value.
st/qt = lb/cup × 0.285714
Results update instantly for Pound per Cup to Stone per Quart conversions.
Reserved above the conversion cards and below the converter.
Formula
st/qt = lb/cup × 0.285714
lb/cup = st/qt × 3.5
Conversion table
| 1 lb/cup | 0.285714 st/qt |
| 5 lb/cup | 1.428571 st/qt |
| 10 lb/cup | 2.857143 st/qt |
| 20 lb/cup | 5.714286 st/qt |
| 50 lb/cup | 14.285714 st/qt |
| 100 lb/cup | 28.571429 st/qt |
| 500 lb/cup | 142.857143 st/qt |
| 1000 lb/cup | 285.714286 st/qt |
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 quart 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 0.285714 to get stone per quart. To reverse the conversion, multiply a stone per quart value by 3.5 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 Quart (st/qt)?
Stone per Quart (st/qt) expresses mass in stone per unit volume in quart, found by dividing a mass value by a volume value.
How do I convert pound per cup to stone per quart?
Multiply the pound per cup value by 0.285714 to get the equivalent in stone per quart. For example, 5 lb/cup × 0.285714 = 1.428571 st/qt.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 0.285714 is an exact, non-rounded value.
Can I convert stone per quart back to pound per cup?
Yes. Divide the stone per quart value by 0.285714, or multiply it by 3.5, 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 quart
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 Quart (st/qt) expresses mass in stone per unit volume in quart, found by dividing a mass value by a volume value.
Use this calculator to move between pound per cup and stone per quart accurately for science, engineering, manufacturing, or everyday density calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.