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 Tablespoon
Convert pound per cubic foot (lb/ft3) to dram per tablespoon (dr/tbsp) 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 tablespoon (dr/tbsp) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
Dram per Tablespoon (dr/tbsp) expresses mass in dram per unit volume in tablespoon, found by dividing a mass value by a volume value.
dr/tbsp = lb/ft3 × 0.133681
Results update instantly for Pound per Cubic foot to Dram per Tablespoon conversions.
Reserved above the conversion cards and below the converter.
Formula
dr/tbsp = lb/ft3 × 0.133681
lb/ft3 = dr/tbsp × 7.480519
Conversion table
| 1 lb/ft3 | 0.133681 dr/tbsp |
| 5 lb/ft3 | 0.668403 dr/tbsp |
| 10 lb/ft3 | 1.336806 dr/tbsp |
| 20 lb/ft3 | 2.673611 dr/tbsp |
| 50 lb/ft3 | 6.684028 dr/tbsp |
| 100 lb/ft3 | 13.368056 dr/tbsp |
| 500 lb/ft3 | 66.840278 dr/tbsp |
| 1000 lb/ft3 | 133.680556 dr/tbsp |
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 tablespoon 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 0.133681 to get dram per tablespoon. To reverse the conversion, multiply a dram per tablespoon value by 7.480519 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 Tablespoon (dr/tbsp)?
Dram per Tablespoon (dr/tbsp) expresses mass in dram per unit volume in tablespoon, found by dividing a mass value by a volume value.
How do I convert pound per cubic foot to dram per tablespoon?
Multiply the pound per cubic foot value by 0.133681 to get the equivalent in dram per tablespoon. For example, 5 lb/ft3 × 0.133681 = 0.668403 dr/tbsp.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 0.133681 is an exact, non-rounded value.
Can I convert dram per tablespoon back to pound per cubic foot?
Yes. Divide the dram per tablespoon value by 0.133681, or multiply it by 7.480519, 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 tablespoon
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 Tablespoon (dr/tbsp) expresses mass in dram per unit volume in tablespoon, found by dividing a mass value by a volume value.
Use this calculator to move between pound per cubic foot and dram per tablespoon accurately for science, engineering, manufacturing, or everyday density calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.