Mass per volume density.
Troy ounces per Milliliter to Micrograms per Liter Converter — oz t/mL to ug/L
Convert Troy ounce per Milliliter (oz t/mL) to Microgram per Liter (ug/L) using the exact conversion factor (1 troy ounce per milliliter = 31,103,476,800 microgram per liter). See the formula, worked examples, and conversion table.
Troy ounces per Milliliter to Micrograms per Liter 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 31103.4768 / 1e-6.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Troy ounces per Milliliter to Micrograms per Liter
Troy ounce per Milliliter and Microgram per Liter 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
micrograms per liter = troy ounces per milliliter × 31103476800
This factor comes from each unit's defined relationship to the category's base unit: 1 troy ounce per milliliter equals 31103.4768 base units, and 1 microgram per liter equals 0.000001 base units, so dividing one by the other gives the direct troy ounce per milliliter-to-microgram per liter factor of 31103476800.
Simple example
1 oz t/mL × 31103476800 = 31,103,476,800 ug/L
1 troy ounce per milliliter = 31,103,476,800 micrograms per liter.
Real-world example
1,000 oz t/mL × 31103476800 = 3.110348e+13 ug/L
1,000 troy ounces per milliliter = 3.110348e+13 micrograms per liter.
Conversion table
| Troy ounce per Milliliter (oz t/mL) | Microgram per Liter (ug/L) |
|---|---|
| 0.1 oz t/mL | 3,110,347,680 ug/L |
| 1 oz t/mL | 31,103,476,800 ug/L |
| 10 oz t/mL | 311,034,768,000 ug/L |
| 100 oz t/mL | 3.110348e+12 ug/L |
| 1,000 oz t/mL | 3.110348e+13 ug/L |
| 10,000 oz t/mL | 3.110348e+14 ug/L |
Reverse conversion: Microgram per Liter to Troy ounce per Milliliter
1 ug/L × 3.215075e-11 = 3.215075e-11 oz t/mL
1 microgram per liter = 3.215075e-11 troy ounces per milliliter.
troy ounces per milliliter = micrograms per liter × 3.215075e-11
For a page dedicated to this direction, see Microgram per Liter to Troy ounce per Milliliter.
Understanding the Troy ounce per Milliliter (oz t/mL)
Mass per volume density.
Understanding the Microgram per Liter (ug/L)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many micrograms per liter are in 1 troy ounce per milliliter?
1 troy ounce per milliliter equals 31,103,476,800 micrograms per liter, using the exact defined conversion factor rather than an estimate.
How do I convert troy ounce per milliliter to microgram per liter?
Multiply the troy ounce per milliliter value by 31103476800. The converter above does this instantly to whatever precision you set.
How do I convert microgram per liter back to troy ounce per milliliter?
Use the reverse factor: 1 microgram per liter equals 3.215075e-11 troy ounces per milliliter. You can also use the swap control in the converter above to flip the direction instantly.
What is a troy ounce per milliliter?
Troy ounce per Milliliter (oz t/mL) is a unit of density.
What is a microgram per liter?
Microgram per Liter (ug/L) is a unit of density.
Is the troy ounce per milliliter to microgram per liter conversion exact?
Yes. Both troy ounce per milliliter and microgram per liter are defined by fixed standards rather than physical artifacts, so the factor of 31103476800 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.