Pound per Imperial gallon (lb/imp gal) expresses mass in pound per unit volume in imperial gallon, found by dividing a mass value by a volume value.
Pound per Imperial gallon to Pound per Quart
Convert pound per imperial gallon (lb/imp gal) to pound per quart (lb/qt) instantly with formula, conversion table, and FAQ.
Reserved for a responsive leaderboard above the conversion details.
Professional calculator style
World-scale conversion engine
30+ categories
6,500+ units
Instant results
Offline ready
Density calculator
Density Converter
Convert pound per imperial gallon (lb/imp gal) to pound per quart (lb/qt) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
Pound per Quart (lb/qt) expresses mass in pound per unit volume in quart, found by dividing a mass value by a volume value.
lb/qt = lb/imp gal × 0.208169
Results update instantly for Pound per Imperial gallon to Pound per Quart conversions.
Reserved above the conversion cards and below the converter.
Formula
lb/qt = lb/imp gal × 0.208169
lb/imp gal = lb/qt × 4.8038
Conversion table
| 1 lb/imp gal | 0.208169 lb/qt |
| 5 lb/imp gal | 1.040843 lb/qt |
| 10 lb/imp gal | 2.081685 lb/qt |
| 20 lb/imp gal | 4.163371 lb/qt |
| 50 lb/imp gal | 10.408427 lb/qt |
| 100 lb/imp gal | 20.816855 lb/qt |
| 500 lb/imp gal | 104.084273 lb/qt |
| 1000 lb/imp gal | 208.168546 lb/qt |
Related conversions
Reserved between the cards and the FAQ so the page stays balanced.
How the formula works
Both pound per imperial gallon and pound per quart measure the same physical quantity (mass per unit volume), so converting between them is a single multiplication. Multiply a value in pound per imperial gallon by 0.208169 to get pound per quart. To reverse the conversion, multiply a pound per quart value by 4.8038 to get back to pound per imperial gallon.
Frequently asked questions
What is Pound per Imperial gallon (lb/imp gal)?
Pound per Imperial gallon (lb/imp gal) expresses mass in pound per unit volume in imperial gallon, found by dividing a mass value by a volume value.
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.
How do I convert pound per imperial gallon to pound per quart?
Multiply the pound per imperial gallon value by 0.208169 to get the equivalent in pound per quart. For example, 5 lb/imp gal × 0.208169 = 1.040843 lb/qt.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 0.208169 is an exact, non-rounded value.
Can I convert pound per quart back to pound per imperial gallon?
Yes. Divide the pound per quart value by 0.208169, or multiply it by 4.8038, to get pound per imperial gallon.
Reserved between the FAQ and the article so the page stays balanced.
About converting pound per imperial gallon to pound per quart
Pound per Imperial gallon (lb/imp gal) expresses mass in pound per unit volume in imperial gallon, found by dividing a mass value by a volume value. Pound per Quart (lb/qt) expresses mass in pound per unit volume in quart, found by dividing a mass value by a volume value.
Use this calculator to move between pound per imperial gallon and pound per quart accurately for science, engineering, manufacturing, or everyday density calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.