Mass per volume density.
Pounds per Imperial gallon to Drams per Tablespoon Converter — lb/imp gal to dr/tbsp
Convert Pound per Imperial gallon (lb/imp gal) to Dram per Tablespoon (dr/tbsp) using the exact conversion factor (1 pound per imperial gallon = 0.8326741846 dram per tablespoon). See the formula, worked examples, and conversion table.
Pounds per Imperial gallon 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 99.77637266 / 119.8264273.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Pounds per Imperial gallon to Drams per Tablespoon
Pound per Imperial gallon 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 = pounds per imperial gallon × 0.832674184629
This factor comes from each unit's defined relationship to the category's base unit: 1 pound per imperial gallon equals 99.7763726631 base units, and 1 dram per tablespoon equals 119.826427317 base units, so dividing one by the other gives the direct pound per imperial gallon-to-dram per tablespoon factor of 0.832674184629.
Simple example
1 lb/imp gal × 0.8326741846 = 0.8326741846 dr/tbsp
1 pound per imperial gallon = 0.8326741846 drams per tablespoon.
Real-world example
1,000 lb/imp gal × 0.8326741846 = 832.6741846 dr/tbsp
1,000 pounds per imperial gallon = 832.6741846 drams per tablespoon.
Conversion table
| Pound per Imperial gallon (lb/imp gal) | Dram per Tablespoon (dr/tbsp) |
|---|---|
| 0.1 lb/imp gal | 0.0832674185 dr/tbsp |
| 1 lb/imp gal | 0.8326741846 dr/tbsp |
| 10 lb/imp gal | 8.326741846 dr/tbsp |
| 100 lb/imp gal | 83.26741846 dr/tbsp |
| 1,000 lb/imp gal | 832.6741846 dr/tbsp |
| 10,000 lb/imp gal | 8,326.741846 dr/tbsp |
Reverse conversion: Dram per Tablespoon to Pound per Imperial gallon
0.8326741846 dr/tbsp × 1.200949926 = 1 lb/imp gal
0.8326741846 drams per tablespoon = 1 pounds per imperial gallon.
pounds per imperial gallon = drams per tablespoon × 1.2009499255
For a page dedicated to this direction, see Dram per Tablespoon to Pound per Imperial gallon.
Understanding the Pound per Imperial gallon (lb/imp gal)
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 pound per imperial gallon?
1 pound per imperial gallon equals 0.8326741846 drams per tablespoon, using the exact defined conversion factor rather than an estimate.
How do I convert pound per imperial gallon to dram per tablespoon?
Multiply the pound per imperial gallon value by 0.8326741846. The converter above does this instantly to whatever precision you set.
How do I convert dram per tablespoon back to pound per imperial gallon?
Use the reverse factor: 1 dram per tablespoon equals 1.200949926 pounds per imperial gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a pound per imperial gallon?
Pound per Imperial gallon (lb/imp gal) is a unit of density.
What is a dram per tablespoon?
Dram per Tablespoon (dr/tbsp) is a unit of density.
Is the pound per imperial gallon to dram per tablespoon conversion exact?
Yes. Both pound per imperial gallon and dram per tablespoon are defined by fixed standards rather than physical artifacts, so the factor of 0.8326741846 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.