Mass per volume density.
Troy ounces per Pint to Grains per Milliliter Converter — oz t/pt to gr/mL
Convert Troy ounce per Pint (oz t/pt) to Grain per Milliliter (gr/mL) using the exact conversion factor (1 troy ounce per pint = 1.014420681 grain per milliliter). See the formula, worked examples, and conversion table.
Troy ounces per Pint to Grains 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 65.73335441 / 64.79891.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Troy ounces per Pint to Grains per Milliliter
Troy ounce per Pint and Grain 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
grains per milliliter = troy ounces per pint × 1.01442068106
This factor comes from each unit's defined relationship to the category's base unit: 1 troy ounce per pint equals 65.7333544138 base units, and 1 grain per milliliter equals 64.79891 base units, so dividing one by the other gives the direct troy ounce per pint-to-grain per milliliter factor of 1.01442068106.
Simple example
1 oz t/pt × 1.014420681 = 1.014420681 gr/mL
1 troy ounce per pint = 1.014420681 grains per milliliter.
Real-world example
1,000 oz t/pt × 1.014420681 = 1,014.420681 gr/mL
1,000 troy ounces per pint = 1,014.420681 grains per milliliter.
Conversion table
| Troy ounce per Pint (oz t/pt) | Grain per Milliliter (gr/mL) |
|---|---|
| 0.1 oz t/pt | 0.1014420681 gr/mL |
| 1 oz t/pt | 1.014420681 gr/mL |
| 10 oz t/pt | 10.14420681 gr/mL |
| 100 oz t/pt | 101.4420681 gr/mL |
| 1,000 oz t/pt | 1,014.420681 gr/mL |
| 10,000 oz t/pt | 10,144.20681 gr/mL |
Reverse conversion: Grain per Milliliter to Troy ounce per Pint
1.014420681 gr/mL × 0.9857843187 = 0.9999999999 oz t/pt
1.014420681 grains per milliliter = 0.9999999999 troy ounces per pint.
troy ounces per pint = grains per milliliter × 0.98578431875
For a page dedicated to this direction, see Grain per Milliliter to Troy ounce per Pint.
Understanding the Troy ounce per Pint (oz t/pt)
Mass per volume density.
Understanding the Grain per Milliliter (gr/mL)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grains per milliliter are in 1 troy ounce per pint?
1 troy ounce per pint equals 1.014420681 grains per milliliter, using the exact defined conversion factor rather than an estimate.
How do I convert troy ounce per pint to grain per milliliter?
Multiply the troy ounce per pint value by 1.014420681. The converter above does this instantly to whatever precision you set.
How do I convert grain per milliliter back to troy ounce per pint?
Use the reverse factor: 1 grain per milliliter equals 0.9857843187 troy ounces per pint. You can also use the swap control in the converter above to flip the direction instantly.
What is a troy ounce per pint?
Troy ounce per Pint (oz t/pt) is a unit of density.
What is a grain per milliliter?
Grain per Milliliter (gr/mL) is a unit of density.
Is the troy ounce per pint to grain per milliliter conversion exact?
Yes. Both troy ounce per pint and grain per milliliter are defined by fixed standards rather than physical artifacts, so the factor of 1.014420681 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.