Mass per volume density.
Ounces per Pint to Pounds per Fluid ounce Converter — oz/pt to lb/fl oz
Convert Ounce per Pint (oz/pt) to Pound per Fluid ounce (lb/fl oz) using the exact conversion factor (1 ounce per pint = 0.00390625 pound per fluid ounce). See the formula, worked examples, and conversion table.
Ounces per Pint to Pounds per Fluid ounce 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 / 15337.7827.
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 Pounds per Fluid ounce
Ounce per Pint and Pound per Fluid ounce 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 fluid ounce = ounces per pint × 0.00390625
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 pound per fluid ounce equals 15337.7826966 base units, so dividing one by the other gives the direct ounce per pint-to-pound per fluid ounce factor of 0.00390625.
Simple example
1 oz/pt × 0.00390625 = 0.00390625 lb/fl oz
1 ounce per pint = 0.00390625 pounds per fluid ounce.
Real-world example
1,000 oz/pt × 0.00390625 = 3.90625 lb/fl oz
1,000 ounces per pint = 3.90625 pounds per fluid ounce.
Conversion table
| Ounce per Pint (oz/pt) | Pound per Fluid ounce (lb/fl oz) |
|---|---|
| 0.1 oz/pt | 0.000390625 lb/fl oz |
| 1 oz/pt | 0.00390625 lb/fl oz |
| 10 oz/pt | 0.0390625 lb/fl oz |
| 100 oz/pt | 0.390625 lb/fl oz |
| 1,000 oz/pt | 3.90625 lb/fl oz |
| 10,000 oz/pt | 39.0625 lb/fl oz |
Reverse conversion: Pound per Fluid ounce to Ounce per Pint
0.00390625 lb/fl oz × 256 = 1 oz/pt
0.00390625 pounds per fluid ounce = 1 ounce per pint.
ounces per pint = pounds per fluid ounce × 256
For a page dedicated to this direction, see Pound per Fluid ounce to Ounce per Pint.
Understanding the Ounce per Pint (oz/pt)
Mass per volume density.
Understanding the Pound per Fluid ounce (lb/fl oz)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many pounds per fluid ounce are in 1 ounce per pint?
1 ounce per pint equals 0.00390625 pounds per fluid ounce, using the exact defined conversion factor rather than an estimate.
How do I convert ounce per pint to pound per fluid ounce?
Multiply the ounce per pint value by 0.00390625. The converter above does this instantly to whatever precision you set.
How do I convert pound per fluid ounce back to ounce per pint?
Use the reverse factor: 1 pound per fluid ounce equals 256 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 pound per fluid ounce?
Pound per Fluid ounce (lb/fl oz) is a unit of density.
Is the ounce per pint to pound per fluid ounce conversion exact?
Yes. Both ounce per pint and pound per fluid ounce are defined by fixed standards rather than physical artifacts, so the factor of 0.00390625 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.