Mass per volume density.
Ounces per Tablespoon to Drams per Tablespoon Converter — oz/tbsp to dr/tbsp
Convert Ounce per Tablespoon (oz/tbsp) to Dram per Tablespoon (dr/tbsp) using the exact conversion factor (1 ounce per tablespoon = 16 dram per tablespoon). See the formula, worked examples, and conversion table.
Ounces per Tablespoon to Drams per Tablespoon 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 1917.222837 / 119.8264273.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Ounces per Tablespoon to Drams per Tablespoon
Ounce per Tablespoon and Dram per Tablespoon 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 tablespoon = ounces per tablespoon × 16
This factor comes from each unit's defined relationship to the category's base unit: 1 ounce per tablespoon equals 1917.22283707 base units, and 1 dram per tablespoon equals 119.826427317 base units, so dividing one by the other gives the direct ounce per tablespoon-to-dram per tablespoon factor of 16.
Simple example
1 oz/tbsp × 16 = 16 dr/tbsp
1 ounce per tablespoon = 16 drams per tablespoon.
Real-world example
1,000 oz/tbsp × 16 = 16,000 dr/tbsp
1,000 ounces per tablespoon = 16,000 drams per tablespoon.
Conversion table
| Ounce per Tablespoon (oz/tbsp) | Dram per Tablespoon (dr/tbsp) |
|---|---|
| 0.1 oz/tbsp | 1.6 dr/tbsp |
| 1 oz/tbsp | 16 dr/tbsp |
| 10 oz/tbsp | 160 dr/tbsp |
| 100 oz/tbsp | 1,600 dr/tbsp |
| 1,000 oz/tbsp | 16,000 dr/tbsp |
| 10,000 oz/tbsp | 160,000 dr/tbsp |
Reverse conversion: Dram per Tablespoon to Ounce per Tablespoon
16 dr/tbsp × 0.0625 = 1 oz/tbsp
16 drams per tablespoon = 1 ounce per tablespoon.
ounces per tablespoon = drams per tablespoon × 0.0625
For a page dedicated to this direction, see Dram per Tablespoon to Ounce per Tablespoon.
Understanding the Ounce per Tablespoon (oz/tbsp)
Mass per volume density.
Understanding the Dram per Tablespoon (dr/tbsp)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many drams per tablespoon are in 1 ounce per tablespoon?
1 ounce per tablespoon equals 16 drams per tablespoon, using the exact defined conversion factor rather than an estimate.
How do I convert ounce per tablespoon to dram per tablespoon?
Multiply the ounce per tablespoon value by 16. The converter above does this instantly to whatever precision you set.
How do I convert dram per tablespoon back to ounce per tablespoon?
Use the reverse factor: 1 dram per tablespoon equals 0.0625 ounces per tablespoon. You can also use the swap control in the converter above to flip the direction instantly.
What is a ounce per tablespoon?
Ounce per Tablespoon (oz/tbsp) is a unit of density.
What is a dram per tablespoon?
Dram per Tablespoon (dr/tbsp) is a unit of density.
Is the ounce per tablespoon to dram per tablespoon conversion exact?
Yes. Both ounce per tablespoon and dram per tablespoon are defined by fixed standards rather than physical artifacts, so the factor of 16 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.