Pound per Teaspoon (lb/tsp) expresses mass in pound per unit volume in teaspoon, found by dividing a mass value by a volume value.
Pound per Teaspoon to Stone per Cup
Convert pound per teaspoon (lb/tsp) to stone per cup (st/cup) instantly with formula, conversion table, and FAQ.
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Convert pound per teaspoon (lb/tsp) 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/tsp × 3.428571
Results update instantly for Pound per Teaspoon to Stone per Cup conversions.
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Formula
st/cup = lb/tsp × 3.428571
lb/tsp = st/cup × 0.291667
Conversion table
| 1 lb/tsp | 3.428571 st/cup |
| 5 lb/tsp | 17.142857 st/cup |
| 10 lb/tsp | 34.285714 st/cup |
| 20 lb/tsp | 68.571429 st/cup |
| 50 lb/tsp | 171.428571 st/cup |
| 100 lb/tsp | 342.857143 st/cup |
| 500 lb/tsp | 1714.285714 st/cup |
| 1000 lb/tsp | 3428.571429 st/cup |
Related conversions
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How the formula works
Both pound per teaspoon 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 teaspoon by 3.428571 to get stone per cup. To reverse the conversion, multiply a stone per cup value by 0.291667 to get back to pound per teaspoon.
Frequently asked questions
What is Pound per Teaspoon (lb/tsp)?
Pound per Teaspoon (lb/tsp) expresses mass in pound per unit volume in teaspoon, 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 teaspoon to stone per cup?
Multiply the pound per teaspoon value by 3.428571 to get the equivalent in stone per cup. For example, 5 lb/tsp × 3.428571 = 17.142857 st/cup.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 3.428571 is an exact, non-rounded value.
Can I convert stone per cup back to pound per teaspoon?
Yes. Divide the stone per cup value by 3.428571, or multiply it by 0.291667, to get pound per teaspoon.
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About converting pound per teaspoon to stone per cup
Pound per Teaspoon (lb/tsp) expresses mass in pound per unit volume in teaspoon, 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 teaspoon 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.