Pound per Tablespoon (lb/tbsp) expresses mass in pound per unit volume in tablespoon, found by dividing a mass value by a volume value.
Pound per Tablespoon to Stone per Cup
Convert pound per tablespoon (lb/tbsp) to stone per cup (st/cup) instantly with formula, conversion table, and FAQ.
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Convert pound per tablespoon (lb/tbsp) to stone per cup (st/cup) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
Stone per Cup (st/cup) expresses mass in stone per unit volume in cup, found by dividing a mass value by a volume value.
st/cup = lb/tbsp × 1.142857
Results update instantly for Pound per Tablespoon to Stone per Cup conversions.
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Formula
st/cup = lb/tbsp × 1.142857
lb/tbsp = st/cup × 0.875
Conversion table
| 1 lb/tbsp | 1.142857 st/cup |
| 5 lb/tbsp | 5.714286 st/cup |
| 10 lb/tbsp | 11.428571 st/cup |
| 20 lb/tbsp | 22.857143 st/cup |
| 50 lb/tbsp | 57.142857 st/cup |
| 100 lb/tbsp | 114.285714 st/cup |
| 500 lb/tbsp | 571.428571 st/cup |
| 1000 lb/tbsp | 1142.857143 st/cup |
Related conversions
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How the formula works
Both pound per tablespoon and stone per cup measure the same physical quantity (mass per unit volume), so converting between them is a single multiplication. Multiply a value in pound per tablespoon by 1.142857 to get stone per cup. To reverse the conversion, multiply a stone per cup value by 0.875 to get back to pound per tablespoon.
Frequently asked questions
What is Pound per Tablespoon (lb/tbsp)?
Pound per Tablespoon (lb/tbsp) expresses mass in pound per unit volume in tablespoon, found by dividing a mass value by a volume value.
What is Stone per Cup (st/cup)?
Stone per Cup (st/cup) expresses mass in stone per unit volume in cup, found by dividing a mass value by a volume value.
How do I convert pound per tablespoon to stone per cup?
Multiply the pound per tablespoon value by 1.142857 to get the equivalent in stone per cup. For example, 5 lb/tbsp × 1.142857 = 5.714286 st/cup.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 1.142857 is an exact, non-rounded value.
Can I convert stone per cup back to pound per tablespoon?
Yes. Divide the stone per cup value by 1.142857, or multiply it by 0.875, to get pound per tablespoon.
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About converting pound per tablespoon to stone per cup
Pound per Tablespoon (lb/tbsp) expresses mass in pound per unit volume in tablespoon, found by dividing a mass value by a volume value. Stone per Cup (st/cup) expresses mass in stone per unit volume in cup, found by dividing a mass value by a volume value.
Use this calculator to move between pound per tablespoon and stone per cup accurately for science, engineering, manufacturing, or everyday density calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.