Mass per volume density.
Pounds per Cup to Carats per Teaspoon Converter — lb/cup to ct/tsp
Convert Pound per Cup (lb/cup) to Carat per Teaspoon (ct/tsp) using the exact conversion factor (1 pound per cup = 47.24920521 carat per teaspoon). See the formula, worked examples, and conversion table.
Pounds per Cup to Carats per Teaspoon converter
Converter
Density Converter
Convert thousands of mass-per-volume density combinations for science, engineering, agriculture, and fluids.
Context values
Some unit families need one extra value for a physically accurate result.
Mass per volume density.
Result = input x 1917.222837 / 40.57682724.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Pounds per Cup to Carats per Teaspoon
Pound per Cup and Carat per Teaspoon both measure density — mass per unit volume — a property used to identify materials, check manufacturing quality, and predict whether something floats or sinks. As a fixed reference point, water has a density of exactly 1000 kg/m³ (1 g/cm³, 1 g/mL) at its temperature of maximum density, which is why many density figures in science and engineering are quoted relative to water. Both are mass per volume density units.
Formula
carats per teaspoon = pounds per cup × 47.2492052083
This factor comes from each unit's defined relationship to the category's base unit: 1 pound per cup equals 1917.22283707 base units, and 1 carat per teaspoon equals 40.5768272422 base units, so dividing one by the other gives the direct pound per cup-to-carat per teaspoon factor of 47.2492052083.
Simple example
1 lb/cup × 47.24920521 = 47.24920521 ct/tsp
1 pound per cup = 47.24920521 carats per teaspoon.
Real-world example
1,000 lb/cup × 47.24920521 = 47,249.20521 ct/tsp
1,000 pounds per cup = 47,249.20521 carats per teaspoon.
Conversion table
| Pound per Cup (lb/cup) | Carat per Teaspoon (ct/tsp) |
|---|---|
| 0.1 lb/cup | 4.724920521 ct/tsp |
| 1 lb/cup | 47.24920521 ct/tsp |
| 10 lb/cup | 472.4920521 ct/tsp |
| 100 lb/cup | 4,724.920521 ct/tsp |
| 1,000 lb/cup | 47,249.20521 ct/tsp |
| 10,000 lb/cup | 472,492.0521 ct/tsp |
Reverse conversion: Carat per Teaspoon to Pound per Cup
47.24920521 ct/tsp × 0.02116437717 = 1 lb/cup
47.24920521 carats per teaspoon = 1 pounds per cup.
pounds per cup = carats per teaspoon × 0.0211643771697
For a page dedicated to this direction, see Carat per Teaspoon to Pound per Cup.
Understanding the Pound per Cup (lb/cup)
Mass per volume density.
Understanding the Carat per Teaspoon (ct/tsp)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many carats per teaspoon are in 1 pound per cup?
1 pound per cup equals 47.24920521 carats per teaspoon, using the exact defined conversion factor rather than an estimate.
How do I convert pound per cup to carat per teaspoon?
Multiply the pound per cup value by 47.24920521. The converter above does this instantly to whatever precision you set.
How do I convert carat per teaspoon back to pound per cup?
Use the reverse factor: 1 carat per teaspoon equals 0.0211643772 pounds per cup. You can also use the swap control in the converter above to flip the direction instantly.
What is a pound per cup?
Pound per Cup (lb/cup) is a unit of density.
What is a carat per teaspoon?
Carat per Teaspoon (ct/tsp) is a unit of density.
Is the pound per cup to carat per teaspoon conversion exact?
Yes. Both pound per cup and carat per teaspoon are defined by fixed standards rather than physical artifacts, so the factor of 47.24920521 used above is exact to as many digits as you choose to display.
What's the difference between density and mass concentration?
Density is the mass of a pure substance or material per unit volume. Mass concentration is the mass of one component — like a dissolved solute — within a mixture's total volume. The two use the same kind of units but describe different physical situations.