Mass per volume density.
Ounces per Fluid ounce to Drams per Liter Converter — oz/fl oz to dr/L
Convert Ounce per Fluid ounce (oz/fl oz) to Dram per Liter (dr/L) using the exact conversion factor (1 ounce per fluid ounce = 541.0243632 dram per liter). See the formula, worked examples, and conversion table.
Ounces per Fluid ounce to Drams 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 958.6114185 / 1.771845195.
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 Drams per Liter
Ounce per Fluid ounce and Dram 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
drams per liter = ounces per fluid ounce × 541.024363229
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 dram per liter equals 1.77184519531 base units, so dividing one by the other gives the direct ounce per fluid ounce-to-dram per liter factor of 541.024363229.
Simple example
1 oz/fl oz × 541.0243632 = 541.0243632 dr/L
1 ounce per fluid ounce = 541.0243632 drams per liter.
Real-world example
1,000 oz/fl oz × 541.0243632 = 541,024.3632 dr/L
1,000 ounces per fluid ounce = 541,024.3632 drams per liter.
Conversion table
| Ounce per Fluid ounce (oz/fl oz) | Dram per Liter (dr/L) |
|---|---|
| 0.1 oz/fl oz | 54.10243632 dr/L |
| 1 oz/fl oz | 541.0243632 dr/L |
| 10 oz/fl oz | 5,410.243632 dr/L |
| 100 oz/fl oz | 54,102.43632 dr/L |
| 1,000 oz/fl oz | 541,024.3632 dr/L |
| 10,000 oz/fl oz | 5,410,243.632 dr/L |
Reverse conversion: Dram per Liter to Ounce per Fluid ounce
541.0243632 dr/L × 0.001848345598 = 0.9999999999 oz/fl oz
541.0243632 drams per liter = 0.9999999999 ounces per fluid ounce.
ounces per fluid ounce = drams per liter × 0.00184834559766
For a page dedicated to this direction, see Dram per Liter to Ounce per Fluid ounce.
Understanding the Ounce per Fluid ounce (oz/fl oz)
Mass per volume density.
Understanding the Dram per Liter (dr/L)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many drams per liter are in 1 ounce per fluid ounce?
1 ounce per fluid ounce equals 541.0243632 drams per liter, using the exact defined conversion factor rather than an estimate.
How do I convert ounce per fluid ounce to dram per liter?
Multiply the ounce per fluid ounce value by 541.0243632. The converter above does this instantly to whatever precision you set.
How do I convert dram per liter back to ounce per fluid ounce?
Use the reverse factor: 1 dram per liter equals 0.0018483456 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 dram per liter?
Dram per Liter (dr/L) is a unit of density.
Is the ounce per fluid ounce to dram per liter conversion exact?
Yes. Both ounce per fluid ounce and dram per liter are defined by fixed standards rather than physical artifacts, so the factor of 541.0243632 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.