Mass per volume density.
Troy ounce per Cubic inches to Pounds per Cubic Millimeter Converter — oz t/in3 to lb/mm3
Convert Troy ounce per Cubic inch (oz t/in3) to Pound per Cubic Millimeter (lb/mm3) using the exact conversion factor (1 troy ounce per cubic inch = 0.0000041845 pound per cubic millimeter). See the formula, worked examples, and conversion table.
Troy ounce per Cubic inches to Pounds per Cubic Millimeter 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 1898.050609 / 4.5359237e+8.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Troy ounce per Cubic inches to Pounds per Cubic Millimeter
Troy ounce per Cubic inch and Pound per Cubic Millimeter 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
pounds per cubic millimeter = troy ounce per cubic inches × 0.00000418448530935
This factor comes from each unit's defined relationship to the category's base unit: 1 troy ounce per cubic inch equals 1898.0506087 base units, and 1 pound per cubic millimeter equals 453592370 base units, so dividing one by the other gives the direct troy ounce per cubic inch-to-pound per cubic millimeter factor of 0.00000418448530935.
Simple example
1 oz t/in3 × 0.000004184485309 = 0.0000041845 lb/mm3
1 troy ounce per cubic inch = 0.0000041845 pounds per cubic millimeter.
Real-world example
1,000 oz t/in3 × 0.000004184485309 = 0.0041844853 lb/mm3
1,000 troy ounce per cubic inches = 0.0041844853 pounds per cubic millimeter.
Conversion table
| Troy ounce per Cubic inch (oz t/in3) | Pound per Cubic Millimeter (lb/mm3) |
|---|---|
| 0.1 oz t/in3 | 4.184485e-7 lb/mm3 |
| 1 oz t/in3 | 0.0000041845 lb/mm3 |
| 10 oz t/in3 | 0.0000418449 lb/mm3 |
| 100 oz t/in3 | 0.0004184485 lb/mm3 |
| 1,000 oz t/in3 | 0.0041844853 lb/mm3 |
| 10,000 oz t/in3 | 0.0418448531 lb/mm3 |
Reverse conversion: Pound per Cubic Millimeter to Troy ounce per Cubic inch
0.0000041845 lb/mm3 × 238978.0167 = 1.000003511 oz t/in3
0.0000041845 pounds per cubic millimeter = 1.000003511 troy ounce per cubic inches.
troy ounce per cubic inches = pounds per cubic millimeter × 238978.016667
For a page dedicated to this direction, see Pound per Cubic Millimeter to Troy ounce per Cubic inch.
Understanding the Troy ounce per Cubic inch (oz t/in3)
Mass per volume density.
Understanding the Pound per Cubic Millimeter (lb/mm3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many pounds per cubic millimeter are in 1 troy ounce per cubic inch?
1 troy ounce per cubic inch equals 0.0000041845 pounds per cubic millimeter, using the exact defined conversion factor rather than an estimate.
How do I convert troy ounce per cubic inch to pound per cubic millimeter?
Multiply the troy ounce per cubic inch value by 0.000004184485309. The converter above does this instantly to whatever precision you set.
How do I convert pound per cubic millimeter back to troy ounce per cubic inch?
Use the reverse factor: 1 pound per cubic millimeter equals 238,978.0167 troy ounce per cubic inches. You can also use the swap control in the converter above to flip the direction instantly.
What is a troy ounce per cubic inch?
Troy ounce per Cubic inch (oz t/in3) is a unit of density.
What is a pound per cubic millimeter?
Pound per Cubic Millimeter (lb/mm3) is a unit of density.
Is the troy ounce per cubic inch to pound per cubic millimeter conversion exact?
Yes. Both troy ounce per cubic inch and pound per cubic millimeter are defined by fixed standards rather than physical artifacts, so the factor of 0.000004184485309 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.