📏 Pounds per cubic foot to Pounds per US gallon Converter
Convert pounds per cubic foot (lb/ft³) to pounds per us gallon (lb/gal) instantly, with the formula, a worked example and a conversion table.
Quick answer: 1 pound per cubic foot (lb/ft³) = 0.13368056 pounds per us gallon (lb/gal). Formula: lb/gal = lb/ft³ × 0.13368056.
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Pounds per cubic foot to Pounds per US gallon Converter inputs
Result
1 lb/ft³ =
0.13368056 lb/gal
lb/gal = lb/ft³ × 0.13368056
1 pound per cubic foot = 0.13368056 lb/gal · lb/gal to lb/ft³
Pounds per cubic foot to Pounds per US gallon conversion table
| Pounds per cubic foot (lb/ft³) | Pounds per US gallon (lb/gal) |
|---|---|
| 0.1 lb/ft³ | 0.013368056 lb/gal |
| 0.5 lb/ft³ | 0.066840278 lb/gal |
| 1 lb/ft³ | 0.13368056 lb/gal |
| 2 lb/ft³ | 0.26736111 lb/gal |
| 3 lb/ft³ | 0.40104167 lb/gal |
| 5 lb/ft³ | 0.66840278 lb/gal |
| 10 lb/ft³ | 1.3368056 lb/gal |
| 20 lb/ft³ | 2.6736111 lb/gal |
| 25 lb/ft³ | 3.3420139 lb/gal |
| 50 lb/ft³ | 6.6840278 lb/gal |
| 100 lb/ft³ | 13.368056 lb/gal |
| 1,000 lb/ft³ | 133.68056 lb/gal |
Other density conversions
How to convert pounds per cubic foot to pounds per us gallon
Multiply the number of pounds per cubic foot by 0.13368056 to get pounds per us gallon: lb/gal = lb/ft³ × 0.13368056.
Example: 5 lb/ft³ = 0.66840278 lb/gal.
The pound per cubic foot (lb/ft³) and the pound per us gallon (lb/gal) are both units of density. Need the opposite direction? Use the lb/gal to lb/ft³ converter.
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Metric and imperial units
The metric system (SI) is used by almost every country and by science worldwide. Its units scale by powers of ten – 1 kilometer is 1,000 meters, 1 meter is 100 centimeters – which makes conversions inside the system easy. The imperial and US customary systems (inches, feet, pounds, gallons) are still used daily in the United States and partly in the UK.
Since 1959 the inch has been defined as exactly 2.54 centimeters and the pound as exactly 0.45359237 kilograms, so conversions between the two systems are exact. Note that a US gallon (3.785 L) and an imperial gallon (4.546 L) are different – choose the right one above.
This converter covers 18 categories and 106 units: length, weight, temperature, volume, area, speed, time, data, energy, pressure, power, angle, force, torque, frequency, flow rate, illuminance, density.
Frequently asked questions
How many pounds per us gallon are in a pound per cubic foot?
1 pound per cubic foot = 0.13368056 pounds per us gallon.
How do I convert pounds per cubic foot to pounds per us gallon?
Use the formula lb/gal = lb/ft³ × 0.13368056. For example, 5 lb/ft³ = 0.66840278 lb/gal.
How do I convert pounds per us gallon back to pounds per cubic foot?
1 pound per us gallon = 7.4805195 pounds per cubic foot. Use the lb/gal to lb/ft³ converter linked on this page.
Are these conversions exact?
Yes – all factors use the internationally defined values (for example 1 inch = 2.54 cm exactly, 1 pound = 0.45359237 kg exactly). Results are rounded to 8 significant digits for display.