Mass per volume density.
Ounces per Fluid ounce to Pounds per Milliliter Converter — oz/fl oz to lb/mL
Convert Ounce per Fluid ounce (oz/fl oz) to Pound per Milliliter (lb/mL) using the exact conversion factor (1 ounce per fluid ounce = 0.0021133764 pound per milliliter). See the formula, worked examples, and conversion table.
Ounces per Fluid ounce to Pounds 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 958.6114185 / 453592.37.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Ounces per Fluid ounce to Pounds per Milliliter
Ounce per Fluid ounce and Pound 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
pounds per milliliter = ounces per fluid ounce × 0.00211337641887
This factor comes from each unit's defined relationship to the category's base unit: 1 ounce per fluid ounce equals 958.611418535 base units, and 1 pound per milliliter equals 453592.37 base units, so dividing one by the other gives the direct ounce per fluid ounce-to-pound per milliliter factor of 0.00211337641887.
Simple example
1 oz/fl oz × 0.002113376419 = 0.0021133764 lb/mL
1 ounce per fluid ounce = 0.0021133764 pounds per milliliter.
Real-world example
1,000 oz/fl oz × 0.002113376419 = 2.113376419 lb/mL
1,000 ounces per fluid ounce = 2.113376419 pounds per milliliter.
Conversion table
| Ounce per Fluid ounce (oz/fl oz) | Pound per Milliliter (lb/mL) |
|---|---|
| 0.1 oz/fl oz | 0.0002113376 lb/mL |
| 1 oz/fl oz | 0.0021133764 lb/mL |
| 10 oz/fl oz | 0.0211337642 lb/mL |
| 100 oz/fl oz | 0.2113376419 lb/mL |
| 1,000 oz/fl oz | 2.113376419 lb/mL |
| 10,000 oz/fl oz | 21.13376419 lb/mL |
Reverse conversion: Pound per Milliliter to Ounce per Fluid ounce
0.0021133764 lb/mL × 473.176473 = 0.9999999911 oz/fl oz
0.0021133764 pounds per milliliter = 0.9999999911 ounces per fluid ounce.
ounces per fluid ounce = pounds per milliliter × 473.176473
For a page dedicated to this direction, see Pound per Milliliter to Ounce per Fluid ounce.
Understanding the Ounce per Fluid ounce (oz/fl oz)
Mass per volume density.
Understanding the Pound per Milliliter (lb/mL)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many pounds per milliliter are in 1 ounce per fluid ounce?
1 ounce per fluid ounce equals 0.0021133764 pounds per milliliter, using the exact defined conversion factor rather than an estimate.
How do I convert ounce per fluid ounce to pound per milliliter?
Multiply the ounce per fluid ounce value by 0.002113376419. The converter above does this instantly to whatever precision you set.
How do I convert pound per milliliter back to ounce per fluid ounce?
Use the reverse factor: 1 pound per milliliter equals 473.176473 ounces per fluid ounce. You can also use the swap control in the converter above to flip the direction instantly.
What is a ounce per fluid ounce?
Ounce per Fluid ounce (oz/fl oz) is a unit of density.
What is a pound per milliliter?
Pound per Milliliter (lb/mL) is a unit of density.
Is the ounce per fluid ounce to pound per milliliter conversion exact?
Yes. Both ounce per fluid ounce and pound per milliliter are defined by fixed standards rather than physical artifacts, so the factor of 0.002113376419 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.