20 Pound/Cubic Foot to Pound/Gallon (US)
Quick answer
20 Pound/Cubic Foot (lb/ft³) equals
2.673611 lb/gal
To convert 20 Pound/Cubic feet to Pound/Gallon (US)s, multiply by 0.1336805556. Therefore, 20 Pound/Cubic Foot (lb/ft³) equals 2.673611 Pound/Gallon (US) (lb/gal).
Formula: lb/gal = lb/ft³ × 0.1336805556. Calculation: 20 × 0.1336805556 = 2.673611 lb/gal.
Convert Pound/Cubic Foot (lb/ft³) to Pound/Gallon (US) (lb/gal) online with our free unit converter. In density, 1 lb/ft³ = 0.133681 lb/gal. Explore step-by-step conversion steps, mathematical formulas, and quick conversion reference tables below.
Worked example: converting Pound/Cubic Foot to Pound/Gallon (US)
- Step 1 — start with the formula. lb/gal = lb/ft³ × 0.1336805556
- Step 2 — substitute your figure. 20 lb/ft³ × 0.1336805556
- Step 3 — read the result. 20 lb/ft³ = 2.673611 lb/gal
- Step 4 — check it in reverse. lb/ft³ = lb/gal × 7.4805194805 returns 20 lb/ft³, which matches the figure you started with.
Density Converter
16 units available
20 lb/ft³ = 2.673611 lb/gal
Formula:
lb/gal = lb/ft³ × 0.1336805556With your value: 20 lb/ft³ = 2.67361111 lb/gal
Other Pound/Cubic Foot to Pound/Gallon (US) conversions
Pound/Cubic Foot to Pound/Gallon (US) Conversion Table
| Pound/Cubic Foot (lb/ft³) | Pound/Gallon (US) (lb/gal) |
|---|---|
| 0.5 | 0.06684 |
| 1 | 0.133681 |
| 2 | 0.267361 |
| 5 | 0.668403 |
| 10 | 1.336806 |
| 15 | 2.005208 |
| 20 | 2.673611 |
| 25 | 3.342014 |
| 50 | 6.684028 |
| 100 | 13.368056 |
| 250 | 33.420139 |
| 500 | 66.840278 |
| 1000 | 133.680556 |
Pound/Gallon (US) to Pound/Cubic Foot Conversion Table
| Pound/Gallon (US) (lb/gal) | Pound/Cubic Foot (lb/ft³) |
|---|---|
| 0.5 | 3.74026 |
| 1 | 7.480519 |
| 2 | 14.961039 |
| 5 | 37.402597 |
| 10 | 74.805195 |
| 15 | 112.207792 |
| 20 | 149.61039 |
| 25 | 187.012987 |
| 50 | 374.025974 |
| 100 | 748.051948 |
| 250 | 1,870.12987 |
| 500 | 3,740.25974 |
| 1000 | 7,480.519481 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
Pound/Cubic Foot (lb/ft³)
Density
Derived from mass per unit volume using the definitions above.
Source: NIST Special Publication 811, Guide for the Use of the International System of Units
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
Pound/Gallon (US) (lb/gal)
Density
Derived from mass per unit volume using the definitions above.
Source: NIST Special Publication 811, Guide for the Use of the International System of Units
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
How to Convert Pound/Cubic Foot to Pound/Gallon (US)
To convert from Pound/Cubic Foot (lb/ft³) to Pound/Gallon (US) (lb/gal), multiply the value by 0.1336805556.
Formula: lb/gal = lb/ft³ × 0.1336805556
Reverse: lb/ft³ = lb/gal × 7.4805194805
Step-by-Step Example
- Start with your value in Pound/Cubic Foot. For example: 5 lb/ft³
- Multiply by the conversion factor: 5 x 0.1336805556
- The result is: 0.668403 lb/gal
Pound/Cubic Foot and Pound/Gallon (US) Relationship
This calculation facilitates standardized conversion between recognized units of density. Since 1 Pound/Cubic Foot represents a fraction of a Pound/Gallon (US) (1 Pound/Gallon (US) ≈ 7.4805 Pound/Cubic feet), the Pound/Gallon (US) is the larger measurement interval. Understanding the relationship between Pound/Cubic Foot and Pound/Gallon (US) is essential for accurate calculations in physics, engineering, commerce, and daily applications.
About Pound/Cubic Foot
The Pound/Cubic Foot (symbol: lb/ft³) is a recognized unit in the Standard measurement framework, utilized within density applications for precision and standardized data representation.
Common uses of Pound/Cubic Foot: density calculations, engineering and science, education.
About Pound/Gallon (US)
The Pound/Gallon (US) (symbol: lb/gal) is a recognized unit in the US Customary / Imperial measurement framework, utilized within density applications for precision and standardized data representation.
Common uses of Pound/Gallon (US): density calculations, engineering and science, education.
Frequently Asked Questions
- What is 20 Pound/Cubic Foot in Pound/Gallon (US)?
- 20 Pound/Cubic Foot equals 2.673611 Pound/Gallon (US).
- How many Pound/Gallon (US)s are in 1 Pound/Cubic Foot?
- There are exactly 0.1336805556 Pound/Gallon (US)s in 1 Pound/Cubic Foot. This means the conversion factor from Pound/Cubic Foot to Pound/Gallon (US) is 0.1336805556.
- What is the formula to convert Pound/Cubic Foot to Pound/Gallon (US)?
- The formula to convert Pound/Cubic Foot to Pound/Gallon (US) is: lb/gal = lb/ft³ × 0.1336805556. For example, to convert 10 Pound/Cubic feet to Pound/Gallon (US)s, you would multiply 10 by 0.1336805556.
- What is a Pound/Cubic Foot?
- The Pound/Cubic Foot (symbol: lb/ft³) is a recognized unit in the Standard measurement framework, utilized within density applications for precision and standardized data representation.
- What is a Pound/Gallon (US)?
- The Pound/Gallon (US) (symbol: lb/gal) is a recognized unit in the US Customary / Imperial measurement framework, utilized within density applications for precision and standardized data representation.
- What are the common uses of Pound/Cubic Foot?
- The Pound/Cubic Foot is commonly used in density calculations, engineering and science, education.
Related Density Conversions
Cite this page
UnitConvertLab. (2026). 20 Pound/Cubic Foot to Pound/Gallon (US). UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/20-lb_per_ft3-to-lb_per_gallon_us