Mass per volume density.
Grains per Cubic Millimeter to Ounces per Teaspoon Converter — gr/mm3 to oz/tsp
Convert Grain per Cubic Millimeter (gr/mm3) to Ounce per Teaspoon (oz/tsp) using the exact conversion factor (1 grain per cubic millimeter = 11.2661065 ounce per teaspoon). See the formula, worked examples, and conversion table.
Grains per Cubic Millimeter to Ounces 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 64798.91 / 5751.668511.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grains per Cubic Millimeter to Ounces per Teaspoon
Grain per Cubic Millimeter and Ounce 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
ounces per teaspoon = grains per cubic millimeter × 11.2661065
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per cubic millimeter equals 64798.91 base units, and 1 ounce per teaspoon equals 5751.66851121 base units, so dividing one by the other gives the direct grain per cubic millimeter-to-ounce per teaspoon factor of 11.2661065.
Simple example
1 gr/mm3 × 11.2661065 = 11.2661065 oz/tsp
1 grain per cubic millimeter = 11.2661065 ounces per teaspoon.
Real-world example
1,000 gr/mm3 × 11.2661065 = 11,266.1065 oz/tsp
1,000 grains per cubic millimeter = 11,266.1065 ounces per teaspoon.
Conversion table
| Grain per Cubic Millimeter (gr/mm3) | Ounce per Teaspoon (oz/tsp) |
|---|---|
| 0.1 gr/mm3 | 1.12661065 oz/tsp |
| 1 gr/mm3 | 11.2661065 oz/tsp |
| 10 gr/mm3 | 112.661065 oz/tsp |
| 100 gr/mm3 | 1,126.61065 oz/tsp |
| 1,000 gr/mm3 | 11,266.1065 oz/tsp |
| 10,000 gr/mm3 | 112,661.065 oz/tsp |
Reverse conversion: Ounce per Teaspoon to Grain per Cubic Millimeter
11.2661065 oz/tsp × 0.08876180959 = 1 gr/mm3
11.2661065 ounces per teaspoon = 1 grains per cubic millimeter.
grains per cubic millimeter = ounces per teaspoon × 0.0887618095923
For a page dedicated to this direction, see Ounce per Teaspoon to Grain per Cubic Millimeter.
Understanding the Grain per Cubic Millimeter (gr/mm3)
Mass per volume density.
Understanding the Ounce per Teaspoon (oz/tsp)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many ounces per teaspoon are in 1 grain per cubic millimeter?
1 grain per cubic millimeter equals 11.2661065 ounces per teaspoon, using the exact defined conversion factor rather than an estimate.
How do I convert grain per cubic millimeter to ounce per teaspoon?
Multiply the grain per cubic millimeter value by 11.2661065. The converter above does this instantly to whatever precision you set.
How do I convert ounce per teaspoon back to grain per cubic millimeter?
Use the reverse factor: 1 ounce per teaspoon equals 0.0887618096 grains per cubic millimeter. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per cubic millimeter?
Grain per Cubic Millimeter (gr/mm3) is a unit of density.
What is a ounce per teaspoon?
Ounce per Teaspoon (oz/tsp) is a unit of density.
Is the grain per cubic millimeter to ounce per teaspoon conversion exact?
Yes. Both grain per cubic millimeter and ounce per teaspoon are defined by fixed standards rather than physical artifacts, so the factor of 11.2661065 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.