Mass per volume density.
Troy ounces per Cup to Milligrams per Teaspoon Converter — oz t/cup to mg/tsp
Convert Troy ounce per Cup (oz t/cup) to Milligram per Teaspoon (mg/tsp) using the exact conversion factor (1 troy ounce per cup = 647.9891 milligram per teaspoon). See the formula, worked examples, and conversion table.
Troy ounces per Cup to Milligrams 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 131.4667088 / 0.2028841362.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Troy ounces per Cup to Milligrams per Teaspoon
Troy ounce per Cup and Milligram 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
milligrams per teaspoon = troy ounces per cup × 647.9891
This factor comes from each unit's defined relationship to the category's base unit: 1 troy ounce per cup equals 131.466708828 base units, and 1 milligram per teaspoon equals 0.202884136211 base units, so dividing one by the other gives the direct troy ounce per cup-to-milligram per teaspoon factor of 647.9891.
Simple example
1 oz t/cup × 647.9891 = 647.9891 mg/tsp
1 troy ounce per cup = 647.9891 milligrams per teaspoon.
Real-world example
1,000 oz t/cup × 647.9891 = 647,989.1 mg/tsp
1,000 troy ounces per cup = 647,989.1 milligrams per teaspoon.
Conversion table
| Troy ounce per Cup (oz t/cup) | Milligram per Teaspoon (mg/tsp) |
|---|---|
| 0.1 oz t/cup | 64.79891 mg/tsp |
| 1 oz t/cup | 647.9891 mg/tsp |
| 10 oz t/cup | 6,479.891 mg/tsp |
| 100 oz t/cup | 64,798.91 mg/tsp |
| 1,000 oz t/cup | 647,989.1 mg/tsp |
| 10,000 oz t/cup | 6,479,891 mg/tsp |
Reverse conversion: Milligram per Teaspoon to Troy ounce per Cup
647.9891 mg/tsp × 0.001543235835 = 1 oz t/cup
647.9891 milligrams per teaspoon = 1 troy ounces per cup.
troy ounces per cup = milligrams per teaspoon × 0.00154323583529
For a page dedicated to this direction, see Milligram per Teaspoon to Troy ounce per Cup.
Understanding the Troy ounce per Cup (oz t/cup)
Mass per volume density.
Understanding the Milligram per Teaspoon (mg/tsp)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many milligrams per teaspoon are in 1 troy ounce per cup?
1 troy ounce per cup equals 647.9891 milligrams per teaspoon, using the exact defined conversion factor rather than an estimate.
How do I convert troy ounce per cup to milligram per teaspoon?
Multiply the troy ounce per cup value by 647.9891. The converter above does this instantly to whatever precision you set.
How do I convert milligram per teaspoon back to troy ounce per cup?
Use the reverse factor: 1 milligram per teaspoon equals 0.0015432358 troy ounces per cup. You can also use the swap control in the converter above to flip the direction instantly.
What is a troy ounce per cup?
Troy ounce per Cup (oz t/cup) is a unit of density.
What is a milligram per teaspoon?
Milligram per Teaspoon (mg/tsp) is a unit of density.
Is the troy ounce per cup to milligram per teaspoon conversion exact?
Yes. Both troy ounce per cup and milligram per teaspoon are defined by fixed standards rather than physical artifacts, so the factor of 647.9891 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.