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 Cubic inch
Convert pound per teaspoon (lb/tsp) 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 teaspoon (lb/tsp) 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/tsp × 0.237477
Results update instantly for Pound per Teaspoon to Stone per Cubic inch conversions.
Reserved above the conversion cards and below the converter.
Formula
st/in3 = lb/tsp × 0.237477
lb/tsp = st/in3 × 4.210938
Conversion table
| 1 lb/tsp | 0.237477 st/in3 |
| 5 lb/tsp | 1.187384 st/in3 |
| 10 lb/tsp | 2.374768 st/in3 |
| 20 lb/tsp | 4.749536 st/in3 |
| 50 lb/tsp | 11.87384 st/in3 |
| 100 lb/tsp | 23.747681 st/in3 |
| 500 lb/tsp | 118.738404 st/in3 |
| 1000 lb/tsp | 237.476809 st/in3 |
Related conversions
Reserved between the cards and the FAQ so the page stays balanced.
How the formula works
Both pound per teaspoon 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 teaspoon by 0.237477 to get stone per cubic inch. To reverse the conversion, multiply a stone per cubic inch value by 4.210938 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 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 teaspoon to stone per cubic inch?
Multiply the pound per teaspoon value by 0.237477 to get the equivalent in stone per cubic inch. For example, 5 lb/tsp × 0.237477 = 1.187384 st/in3.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 0.237477 is an exact, non-rounded value.
Can I convert stone per cubic inch back to pound per teaspoon?
Yes. Divide the stone per cubic inch value by 0.237477, or multiply it by 4.210938, to get pound per teaspoon.
Reserved between the FAQ and the article so the page stays balanced.
About converting pound per teaspoon to stone per cubic inch
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 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 teaspoon 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.