Mass per volume density.
Kilograms per Cup to Pounds per Teaspoon Converter — kg/cup to lb/tsp
Convert Kilogram per Cup (kg/cup) to Pound per Teaspoon (lb/tsp) using the exact conversion factor (1 kilogram per cup = 0.045929638 pound per teaspoon). See the formula, worked examples, and conversion table.
Kilograms 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 4226.752838 / 92026.69618.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Kilograms per Cup to Pounds per Teaspoon
Kilogram 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 = kilograms per cup × 0.0459296379552
This factor comes from each unit's defined relationship to the category's base unit: 1 kilogram per cup equals 4226.75283773 base units, and 1 pound per teaspoon equals 92026.6961794 base units, so dividing one by the other gives the direct kilogram per cup-to-pound per teaspoon factor of 0.0459296379552.
Simple example
1 kg/cup × 0.04592963796 = 0.045929638 lb/tsp
1 kilogram per cup = 0.045929638 pounds per teaspoon.
Real-world example
1,000 kg/cup × 0.04592963796 = 45.92963796 lb/tsp
1,000 kilograms per cup = 45.92963796 pounds per teaspoon.
Conversion table
| Kilogram per Cup (kg/cup) | Pound per Teaspoon (lb/tsp) |
|---|---|
| 0.1 kg/cup | 0.0045929638 lb/tsp |
| 1 kg/cup | 0.045929638 lb/tsp |
| 10 kg/cup | 0.4592963796 lb/tsp |
| 100 kg/cup | 4.592963796 lb/tsp |
| 1,000 kg/cup | 45.92963796 lb/tsp |
| 10,000 kg/cup | 459.2963796 lb/tsp |
Reverse conversion: Pound per Teaspoon to Kilogram per Cup
0.045929638 lb/tsp × 21.77243376 = 1.000000001 kg/cup
0.045929638 pounds per teaspoon = 1.000000001 kilograms per cup.
kilograms per cup = pounds per teaspoon × 21.77243376
For a page dedicated to this direction, see Pound per Teaspoon to Kilogram per Cup.
Understanding the Kilogram per Cup (kg/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 kilogram per cup?
1 kilogram per cup equals 0.045929638 pounds per teaspoon, using the exact defined conversion factor rather than an estimate.
How do I convert kilogram per cup to pound per teaspoon?
Multiply the kilogram per cup value by 0.04592963796. The converter above does this instantly to whatever precision you set.
How do I convert pound per teaspoon back to kilogram per cup?
Use the reverse factor: 1 pound per teaspoon equals 21.77243376 kilograms per cup. You can also use the swap control in the converter above to flip the direction instantly.
What is a kilogram per cup?
Kilogram per Cup (kg/cup) is a unit of density.
What is a pound per teaspoon?
Pound per Teaspoon (lb/tsp) is a unit of density.
Is the kilogram per cup to pound per teaspoon conversion exact?
Yes. Both kilogram per cup and pound per teaspoon are defined by fixed standards rather than physical artifacts, so the factor of 0.04592963796 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.