Mass per volume density.
Micrograms per Teaspoon to Kilograms per Cup Converter — ug/tsp to kg/cup
Convert Microgram per Teaspoon (ug/tsp) to Kilogram per Cup (kg/cup) using the exact conversion factor (1 microgram per teaspoon = 4.8e-8 kilogram per cup). See the formula, worked examples, and conversion table.
Micrograms per Teaspoon to Kilograms per Cup 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 0.0002028841362 / 4226.752838.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Micrograms per Teaspoon to Kilograms per Cup
Microgram per Teaspoon and Kilogram per Cup 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
kilograms per cup = micrograms per teaspoon × 4.8e-8
This factor comes from each unit's defined relationship to the category's base unit: 1 microgram per teaspoon equals 0.000202884136211 base units, and 1 kilogram per cup equals 4226.75283773 base units, so dividing one by the other gives the direct microgram per teaspoon-to-kilogram per cup factor of 4.8e-8.
Simple example
1 ug/tsp × 4.8e-8 = 4.8e-8 kg/cup
1 microgram per teaspoon = 4.8e-8 kilograms per cup.
Real-world example
1,000 ug/tsp × 4.8e-8 = 0.000048 kg/cup
1,000 micrograms per teaspoon = 0.000048 kilograms per cup.
Conversion table
| Microgram per Teaspoon (ug/tsp) | Kilogram per Cup (kg/cup) |
|---|---|
| 0.1 ug/tsp | 4.8e-9 kg/cup |
| 1 ug/tsp | 4.8e-8 kg/cup |
| 10 ug/tsp | 4.8e-7 kg/cup |
| 100 ug/tsp | 0.0000048 kg/cup |
| 1,000 ug/tsp | 0.000048 kg/cup |
| 10,000 ug/tsp | 0.00048 kg/cup |
Reverse conversion: Kilogram per Cup to Microgram per Teaspoon
4.8e-8 kg/cup × 20833333.33 = 1 ug/tsp
4.8e-8 kilograms per cup = 1 micrograms per teaspoon.
micrograms per teaspoon = kilograms per cup × 20833333.3333
For a page dedicated to this direction, see Kilogram per Cup to Microgram per Teaspoon.
Understanding the Microgram per Teaspoon (ug/tsp)
Mass per volume density.
Understanding the Kilogram per Cup (kg/cup)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many kilograms per cup are in 1 microgram per teaspoon?
1 microgram per teaspoon equals 4.8e-8 kilograms per cup, using the exact defined conversion factor rather than an estimate.
How do I convert microgram per teaspoon to kilogram per cup?
Multiply the microgram per teaspoon value by 4.8e-8. The converter above does this instantly to whatever precision you set.
How do I convert kilogram per cup back to microgram per teaspoon?
Use the reverse factor: 1 kilogram per cup equals 20,833,333.33 micrograms per teaspoon. You can also use the swap control in the converter above to flip the direction instantly.
What is a microgram per teaspoon?
Microgram per Teaspoon (ug/tsp) is a unit of density.
What is a kilogram per cup?
Kilogram per Cup (kg/cup) is a unit of density.
Is the microgram per teaspoon to kilogram per cup conversion exact?
Yes. Both microgram per teaspoon and kilogram per cup are defined by fixed standards rather than physical artifacts, so the factor of 4.8e-8 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.