Pound per Cubic foot (lb/ft3) expresses mass in pound per unit volume in cubic foot, found by dividing a mass value by a volume value.
Pound per Cubic foot to Dram per Cup
Convert pound per cubic foot (lb/ft3) to dram per cup (dr/cup) 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 cubic foot (lb/ft3) to dram per cup (dr/cup) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
Dram per Cup (dr/cup) expresses mass in dram per unit volume in cup, found by dividing a mass value by a volume value.
dr/cup = lb/ft3 × 2.138889
Results update instantly for Pound per Cubic foot to Dram per Cup conversions.
Reserved above the conversion cards and below the converter.
Formula
dr/cup = lb/ft3 × 2.138889
lb/ft3 = dr/cup × 0.467532
Conversion table
| 1 lb/ft3 | 2.138889 dr/cup |
| 5 lb/ft3 | 10.694444 dr/cup |
| 10 lb/ft3 | 21.388889 dr/cup |
| 20 lb/ft3 | 42.777778 dr/cup |
| 50 lb/ft3 | 106.944444 dr/cup |
| 100 lb/ft3 | 213.888889 dr/cup |
| 500 lb/ft3 | 1069.444444 dr/cup |
| 1000 lb/ft3 | 2138.888889 dr/cup |
Related conversions
Reserved between the cards and the FAQ so the page stays balanced.
How the formula works
Both pound per cubic foot and dram per cup measure the same physical quantity (mass per unit volume), so converting between them is a single multiplication. Multiply a value in pound per cubic foot by 2.138889 to get dram per cup. To reverse the conversion, multiply a dram per cup value by 0.467532 to get back to pound per cubic foot.
Frequently asked questions
What is Pound per Cubic foot (lb/ft3)?
Pound per Cubic foot (lb/ft3) expresses mass in pound per unit volume in cubic foot, found by dividing a mass value by a volume value.
What is Dram per Cup (dr/cup)?
Dram per Cup (dr/cup) expresses mass in dram per unit volume in cup, found by dividing a mass value by a volume value.
How do I convert pound per cubic foot to dram per cup?
Multiply the pound per cubic foot value by 2.138889 to get the equivalent in dram per cup. For example, 5 lb/ft3 × 2.138889 = 10.694444 dr/cup.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 2.138889 is an exact, non-rounded value.
Can I convert dram per cup back to pound per cubic foot?
Yes. Divide the dram per cup value by 2.138889, or multiply it by 0.467532, to get pound per cubic foot.
Reserved between the FAQ and the article so the page stays balanced.
About converting pound per cubic foot to dram per cup
Pound per Cubic foot (lb/ft3) expresses mass in pound per unit volume in cubic foot, found by dividing a mass value by a volume value. Dram per Cup (dr/cup) expresses mass in dram per unit volume in cup, found by dividing a mass value by a volume value.
Use this calculator to move between pound per cubic foot and dram per cup accurately for science, engineering, manufacturing, or everyday density calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.