Pound per Gallon (lb/gal) expresses mass in pound per unit volume in gallon, found by dividing a mass value by a volume value.
Pound per Gallon to Dram per Gallon
Convert pound per gallon (lb/gal) to dram per gallon (dr/gal) instantly with formula, conversion table, and FAQ.
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Convert pound per gallon (lb/gal) to dram per gallon (dr/gal) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
Dram per Gallon (dr/gal) expresses mass in dram per unit volume in gallon, found by dividing a mass value by a volume value.
dr/gal = lb/gal × 256
Results update instantly for Pound per Gallon to Dram per Gallon conversions.
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Formula
dr/gal = lb/gal × 256
lb/gal = dr/gal × 0.003906
Conversion table
| 1 lb/gal | 256 dr/gal |
| 5 lb/gal | 1280 dr/gal |
| 10 lb/gal | 2560 dr/gal |
| 20 lb/gal | 5120 dr/gal |
| 50 lb/gal | 12800 dr/gal |
| 100 lb/gal | 25600 dr/gal |
| 500 lb/gal | 128000 dr/gal |
| 1000 lb/gal | 256000 dr/gal |
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How the formula works
Both pound per gallon and dram per gallon measure the same physical quantity (mass per unit volume), so converting between them is a single multiplication. Multiply a value in pound per gallon by 256 to get dram per gallon. To reverse the conversion, multiply a dram per gallon value by 0.003906 to get back to pound per gallon.
Frequently asked questions
What is Pound per Gallon (lb/gal)?
Pound per Gallon (lb/gal) expresses mass in pound per unit volume in gallon, found by dividing a mass value by a volume value.
What is Dram per Gallon (dr/gal)?
Dram per Gallon (dr/gal) expresses mass in dram per unit volume in gallon, found by dividing a mass value by a volume value.
How do I convert pound per gallon to dram per gallon?
Multiply the pound per gallon value by 256 to get the equivalent in dram per gallon. For example, 5 lb/gal × 256 = 1280 dr/gal.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 256 is an exact, non-rounded value.
Can I convert dram per gallon back to pound per gallon?
Yes. Divide the dram per gallon value by 256, or multiply it by 0.003906, to get pound per gallon.
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About converting pound per gallon to dram per gallon
Pound per Gallon (lb/gal) expresses mass in pound per unit volume in gallon, found by dividing a mass value by a volume value. Dram per Gallon (dr/gal) expresses mass in dram per unit volume in gallon, found by dividing a mass value by a volume value.
Use this calculator to move between pound per gallon and dram per gallon accurately for science, engineering, manufacturing, or everyday density calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.