Pounds per Cubic Foot to Pounds per US Gallon Converter
1 pound per cubic foot ≈ 0.133680556 pounds per US gallon
1 pound per cubic foot equals 0.133681 pounds per US gallon
How to convert pounds per cubic foot to pounds per US gallon
Density is mass divided by volume. Converting its units does not change the substance, temperature or pressure; converting a mass to a volume separately requires a density appropriate to those conditions.
lb/gal = lb/ft³ × 0.1336805556One pound per cubic foot is 0.1336805556 pounds per US gallon, so a single multiplication converts any value.
1.33681 lb/gal ≈ 10 × 0.1336805556Pounds per cubic foot to pounds per US gallon conversion table
Common values in pounds per cubic foot, converted to pounds per US gallon.
| Pounds per cubic foot (lb/ft³) | Pounds per US gallon (lb/gal) |
|---|---|
| 1 | 0.13368056 |
| 2 | 0.26736111 |
| 3 | 0.40104167 |
| 4 | 0.53472222 |
| 5 | 0.66840278 |
| 10 | 1.3368056 |
| 20 | 2.6736111 |
| 25 | 3.3420139 |
| 50 | 6.6840278 |
| 100 | 13.368056 |
| 250 | 33.420139 |
| 500 | 66.840278 |
| 1,000 | 133.68056 |
About these units
pound per cubic footlb/ft³
The US construction and materials density unit. Water is about 62.4 lb/ft³.
pound per US gallonlb/gal
Used for paints, chemicals and drilling fluids. Water is about 8.34 lb/gal.
Sources and precision
Table results are rounded to 8 significant digits; formula constants may be rounded to 10. Worked example answers use 6 significant digits. The converter starts at 6 significant digits and lets you change display precision. Calculations use the stored factors without intermediate rounding. Exact unit definitions do not make an input measurement more precise; conventional and measured factors follow the assumptions stated here.