Pound per Quart (lb/qt) expresses mass in pound per unit volume in quart, found by dividing a mass value by a volume value.
Pound per Quart to Pound per Gallon
Convert pound per quart (lb/qt) to pound per gallon (lb/gal) instantly with formula, conversion table, and FAQ.
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Convert pound per quart (lb/qt) to pound per gallon (lb/gal) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
Pound per Gallon (lb/gal) expresses mass in pound per unit volume in gallon, found by dividing a mass value by a volume value.
lb/gal = lb/qt × 4
Results update instantly for Pound per Quart to Pound per Gallon conversions.
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Formula
lb/gal = lb/qt × 4
lb/qt = lb/gal × 0.25
Conversion table
| 1 lb/qt | 4 lb/gal |
| 5 lb/qt | 20 lb/gal |
| 10 lb/qt | 40 lb/gal |
| 20 lb/qt | 80 lb/gal |
| 50 lb/qt | 200 lb/gal |
| 100 lb/qt | 400 lb/gal |
| 500 lb/qt | 2000 lb/gal |
| 1000 lb/qt | 4000 lb/gal |
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How the formula works
Both pound per quart and pound 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 quart by 4 to get pound per gallon. To reverse the conversion, multiply a pound per gallon value by 0.25 to get back to pound per quart.
Frequently asked questions
What is Pound per Quart (lb/qt)?
Pound per Quart (lb/qt) expresses mass in pound per unit volume in quart, found by dividing a mass value by a volume value.
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.
How do I convert pound per quart to pound per gallon?
Multiply the pound per quart value by 4 to get the equivalent in pound per gallon. For example, 5 lb/qt × 4 = 20 lb/gal.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 4 is an exact, non-rounded value.
Can I convert pound per gallon back to pound per quart?
Yes. Divide the pound per gallon value by 4, or multiply it by 0.25, to get pound per quart.
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About converting pound per quart to pound per gallon
Pound per Quart (lb/qt) expresses mass in pound per unit volume in quart, found by dividing a mass value by a volume value. Pound per Gallon (lb/gal) expresses mass in pound per unit volume in gallon, found by dividing a mass value by a volume value.
Use this calculator to move between pound per quart and pound 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.