Mass per volume density.
Ounces per Pint to Grains per Teaspoon Converter — oz/pt to gr/tsp
Convert Ounce per Pint (oz/pt) to Grain per Teaspoon (gr/tsp) using the exact conversion factor (1 ounce per pint = 4.557291667 grain per teaspoon). See the formula, worked examples, and conversion table.
Ounces per Pint to Grains 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 59.91321366 / 13.14667088.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Ounces per Pint to Grains per Teaspoon
Ounce per Pint and Grain 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
grains per teaspoon = ounces per pint × 4.55729166667
This factor comes from each unit's defined relationship to the category's base unit: 1 ounce per pint equals 59.9132136584 base units, and 1 grain per teaspoon equals 13.1466708828 base units, so dividing one by the other gives the direct ounce per pint-to-grain per teaspoon factor of 4.55729166667.
Simple example
1 oz/pt × 4.557291667 = 4.557291667 gr/tsp
1 ounce per pint = 4.557291667 grains per teaspoon.
Real-world example
1,000 oz/pt × 4.557291667 = 4,557.291667 gr/tsp
1,000 ounces per pint = 4,557.291667 grains per teaspoon.
Conversion table
| Ounce per Pint (oz/pt) | Grain per Teaspoon (gr/tsp) |
|---|---|
| 0.1 oz/pt | 0.4557291667 gr/tsp |
| 1 oz/pt | 4.557291667 gr/tsp |
| 10 oz/pt | 45.57291667 gr/tsp |
| 100 oz/pt | 455.7291667 gr/tsp |
| 1,000 oz/pt | 4,557.291667 gr/tsp |
| 10,000 oz/pt | 45,572.91667 gr/tsp |
Reverse conversion: Grain per Teaspoon to Ounce per Pint
4.557291667 gr/tsp × 0.2194285714 = 1 oz/pt
4.557291667 grains per teaspoon = 1 ounces per pint.
ounces per pint = grains per teaspoon × 0.219428571429
For a page dedicated to this direction, see Grain per Teaspoon to Ounce per Pint.
Understanding the Ounce per Pint (oz/pt)
Mass per volume density.
Understanding the Grain per Teaspoon (gr/tsp)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grains per teaspoon are in 1 ounce per pint?
1 ounce per pint equals 4.557291667 grains per teaspoon, using the exact defined conversion factor rather than an estimate.
How do I convert ounce per pint to grain per teaspoon?
Multiply the ounce per pint value by 4.557291667. The converter above does this instantly to whatever precision you set.
How do I convert grain per teaspoon back to ounce per pint?
Use the reverse factor: 1 grain per teaspoon equals 0.2194285714 ounces per pint. You can also use the swap control in the converter above to flip the direction instantly.
What is a ounce per pint?
Ounce per Pint (oz/pt) is a unit of density.
What is a grain per teaspoon?
Grain per Teaspoon (gr/tsp) is a unit of density.
Is the ounce per pint to grain per teaspoon conversion exact?
Yes. Both ounce per pint and grain per teaspoon are defined by fixed standards rather than physical artifacts, so the factor of 4.557291667 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.