Mass per volume density.
Carats per Cup to Pounds per Teaspoon Converter — ct/cup to lb/tsp
Convert Carat per Cup (ct/cup) to Pound per Teaspoon (lb/tsp) using the exact conversion factor (1 carat per cup = 0.0000091859 pound per teaspoon). See the formula, worked examples, and conversion table.
Carats per Cup to Pounds 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 0.8453505675 / 92026.69618.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Carats per Cup to Pounds per Teaspoon
Carat per Cup and Pound 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
pounds per teaspoon = carats per cup × 0.00000918592759104
This factor comes from each unit's defined relationship to the category's base unit: 1 carat per cup equals 0.845350567546 base units, and 1 pound per teaspoon equals 92026.6961794 base units, so dividing one by the other gives the direct carat per cup-to-pound per teaspoon factor of 0.00000918592759104.
Simple example
1 ct/cup × 0.000009185927591 = 0.0000091859 lb/tsp
1 carat per cup = 0.0000091859 pounds per teaspoon.
Real-world example
1,000 ct/cup × 0.000009185927591 = 0.0091859276 lb/tsp
1,000 carats per cup = 0.0091859276 pounds per teaspoon.
Conversion table
| Carat per Cup (ct/cup) | Pound per Teaspoon (lb/tsp) |
|---|---|
| 0.1 ct/cup | 9.185928e-7 lb/tsp |
| 1 ct/cup | 0.0000091859 lb/tsp |
| 10 ct/cup | 0.0000918593 lb/tsp |
| 100 ct/cup | 0.0009185928 lb/tsp |
| 1,000 ct/cup | 0.0091859276 lb/tsp |
| 10,000 ct/cup | 0.0918592759 lb/tsp |
Reverse conversion: Pound per Teaspoon to Carat per Cup
0.0000091859 lb/tsp × 108862.1688 = 0.9999969964 ct/cup
0.0000091859 pounds per teaspoon = 0.9999969964 carats per cup.
carats per cup = pounds per teaspoon × 108862.1688
For a page dedicated to this direction, see Pound per Teaspoon to Carat per Cup.
Understanding the Carat per Cup (ct/cup)
Mass per volume density.
Understanding the Pound per Teaspoon (lb/tsp)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many pounds per teaspoon are in 1 carat per cup?
1 carat per cup equals 0.0000091859 pounds per teaspoon, using the exact defined conversion factor rather than an estimate.
How do I convert carat per cup to pound per teaspoon?
Multiply the carat per cup value by 0.000009185927591. The converter above does this instantly to whatever precision you set.
How do I convert pound per teaspoon back to carat per cup?
Use the reverse factor: 1 pound per teaspoon equals 108,862.1688 carats per cup. You can also use the swap control in the converter above to flip the direction instantly.
What is a carat per cup?
Carat per Cup (ct/cup) is a unit of density.
What is a pound per teaspoon?
Pound per Teaspoon (lb/tsp) is a unit of density.
Is the carat per cup to pound per teaspoon conversion exact?
Yes. Both carat per cup and pound per teaspoon are defined by fixed standards rather than physical artifacts, so the factor of 0.000009185927591 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.