Mass per volume density.
Milligrams per Cup to Micrograms per Teaspoon Converter — mg/cup to ug/tsp
Convert Milligram per Cup (mg/cup) to Microgram per Teaspoon (ug/tsp) using the exact conversion factor (1 milligram per cup = 20.83333333 microgram per teaspoon). See the formula, worked examples, and conversion table.
Milligrams per Cup to Micrograms 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 0.004226752838 / 0.0002028841362.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Milligrams per Cup to Micrograms per Teaspoon
Milligram per Cup and Microgram 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
micrograms per teaspoon = milligrams per cup × 20.8333333333
This factor comes from each unit's defined relationship to the category's base unit: 1 milligram per cup equals 0.00422675283773 base units, and 1 microgram per teaspoon equals 0.000202884136211 base units, so dividing one by the other gives the direct milligram per cup-to-microgram per teaspoon factor of 20.8333333333.
Simple example
1 mg/cup × 20.83333333 = 20.83333333 ug/tsp
1 milligram per cup = 20.83333333 micrograms per teaspoon.
Real-world example
1,000 mg/cup × 20.83333333 = 20,833.33333 ug/tsp
1,000 milligrams per cup = 20,833.33333 micrograms per teaspoon.
Conversion table
| Milligram per Cup (mg/cup) | Microgram per Teaspoon (ug/tsp) |
|---|---|
| 0.1 mg/cup | 2.083333333 ug/tsp |
| 1 mg/cup | 20.83333333 ug/tsp |
| 10 mg/cup | 208.3333333 ug/tsp |
| 100 mg/cup | 2,083.333333 ug/tsp |
| 1,000 mg/cup | 20,833.33333 ug/tsp |
| 10,000 mg/cup | 208,333.3333 ug/tsp |
Reverse conversion: Microgram per Teaspoon to Milligram per Cup
20.83333333 ug/tsp × 0.048 = 0.9999999998 mg/cup
20.83333333 micrograms per teaspoon = 0.9999999998 milligrams per cup.
milligrams per cup = micrograms per teaspoon × 0.048
For a page dedicated to this direction, see Microgram per Teaspoon to Milligram per Cup.
Understanding the Milligram per Cup (mg/cup)
Mass per volume density.
Understanding the Microgram per Teaspoon (ug/tsp)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many micrograms per teaspoon are in 1 milligram per cup?
1 milligram per cup equals 20.83333333 micrograms per teaspoon, using the exact defined conversion factor rather than an estimate.
How do I convert milligram per cup to microgram per teaspoon?
Multiply the milligram per cup value by 20.83333333. The converter above does this instantly to whatever precision you set.
How do I convert microgram per teaspoon back to milligram per cup?
Use the reverse factor: 1 microgram per teaspoon equals 0.048 milligrams per cup. You can also use the swap control in the converter above to flip the direction instantly.
What is a milligram per cup?
Milligram per Cup (mg/cup) is a unit of density.
What is a microgram per teaspoon?
Microgram per Teaspoon (ug/tsp) is a unit of density.
Is the milligram per cup to microgram per teaspoon conversion exact?
Yes. Both milligram per cup and microgram per teaspoon are defined by fixed standards rather than physical artifacts, so the factor of 20.83333333 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.