Mass per volume density.
Grains per Teaspoon to Ounces per Milliliter Converter — gr/tsp to oz/mL
Convert Grain per Teaspoon (gr/tsp) to Ounce per Milliliter (oz/mL) using the exact conversion factor (1 grain per teaspoon = 0.0004637352 ounce per milliliter). See the formula, worked examples, and conversion table.
Grains per Teaspoon to Ounces per Milliliter 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 13.14667088 / 28349.52313.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grains per Teaspoon to Ounces per Milliliter
Grain per Teaspoon and Ounce per Milliliter 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 milliliter = grains per teaspoon × 0.000463735168482
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per teaspoon equals 13.1466708828 base units, and 1 ounce per milliliter equals 28349.523125 base units, so dividing one by the other gives the direct grain per teaspoon-to-ounce per milliliter factor of 0.000463735168482.
Simple example
1 gr/tsp × 0.0004637351685 = 0.0004637352 oz/mL
1 grain per teaspoon = 0.0004637352 ounces per milliliter.
Real-world example
1,000 gr/tsp × 0.0004637351685 = 0.4637351685 oz/mL
1,000 grains per teaspoon = 0.4637351685 ounces per milliliter.
Conversion table
| Grain per Teaspoon (gr/tsp) | Ounce per Milliliter (oz/mL) |
|---|---|
| 0.1 gr/tsp | 0.0000463735 oz/mL |
| 1 gr/tsp | 0.0004637352 oz/mL |
| 10 gr/tsp | 0.0046373517 oz/mL |
| 100 gr/tsp | 0.0463735169 oz/mL |
| 1,000 gr/tsp | 0.4637351685 oz/mL |
| 10,000 gr/tsp | 4.637351685 oz/mL |
Reverse conversion: Ounce per Milliliter to Grain per Teaspoon
0.0004637352 oz/mL × 2156.403197 = 1.000000068 gr/tsp
0.0004637352 ounces per milliliter = 1.000000068 grains per teaspoon.
grains per teaspoon = ounces per milliliter × 2156.40319727
For a page dedicated to this direction, see Ounce per Milliliter to Grain per Teaspoon.
Understanding the Grain per Teaspoon (gr/tsp)
Mass per volume density.
Understanding the Ounce per Milliliter (oz/mL)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many ounces per milliliter are in 1 grain per teaspoon?
1 grain per teaspoon equals 0.0004637352 ounces per milliliter, using the exact defined conversion factor rather than an estimate.
How do I convert grain per teaspoon to ounce per milliliter?
Multiply the grain per teaspoon value by 0.0004637351685. The converter above does this instantly to whatever precision you set.
How do I convert ounce per milliliter back to grain per teaspoon?
Use the reverse factor: 1 ounce per milliliter equals 2,156.403197 grains per teaspoon. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per teaspoon?
Grain per Teaspoon (gr/tsp) is a unit of density.
What is a ounce per milliliter?
Ounce per Milliliter (oz/mL) is a unit of density.
Is the grain per teaspoon to ounce per milliliter conversion exact?
Yes. Both grain per teaspoon and ounce per milliliter are defined by fixed standards rather than physical artifacts, so the factor of 0.0004637351685 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.