Density

Pounds per Cubic Foot to Pounds per Gallon Converter

Convert pounds per cubic foot (lb/ft³) to pounds per gallon (lb/gal). 1 pound per cubic foot = 0.1336805556 pounds per gallon (exact)

1 pound per cubic foot = 0.133680555556 pounds per gallon

How to convert pounds per cubic foot to pounds per gallon

Formulalb/gal = lb/ft³ × 0.1336805556

Multiply the value in pounds per cubic foot by 0.1336805556. To go the other way, multiply by 7.480519481 (or divide by 0.1336805556).

A pound per cubic foot is smaller than a pound per US gallon: it takes 7.480519481 pounds per cubic foot to make one pound per US gallon.

Worked examples

  • 1 pound per cubic foot1 lb/ft³ × 0.1336805556 = 0.1336805556 lb/gal
  • 5 pounds per cubic foot5 lb/ft³ × 0.1336805556 = 0.6684027778 lb/gal
  • 10 pounds per cubic foot10 lb/ft³ × 0.1336805556 = 1.336805556 lb/gal
  • 20 pounds per cubic foot20 lb/ft³ × 0.1336805556 = 2.673611111 lb/gal
  • 100 pounds per cubic foot100 lb/ft³ × 0.1336805556 = 13.36805556 lb/gal

Pounds per cubic foot to pounds per gallon conversion table

Values are calculated by the conversion engine and rounded to 8 significant figures.

Pounds per cubic foot to pounds per gallon: 0.1–10 lb/ft³
Pounds per cubic foot (lb/ft³)Pounds per gallon (lb/gal)
0.1 lb/ft³0.013368056 lb/gal
0.25 lb/ft³0.033420139 lb/gal
0.5 lb/ft³0.066840278 lb/gal
1 lb/ft³0.13368056 lb/gal
2 lb/ft³0.26736111 lb/gal
3 lb/ft³0.40104167 lb/gal
4 lb/ft³0.53472222 lb/gal
5 lb/ft³0.66840278 lb/gal
6 lb/ft³0.80208333 lb/gal
7 lb/ft³0.93576389 lb/gal
8 lb/ft³1.0694444 lb/gal
9 lb/ft³1.203125 lb/gal
10 lb/ft³1.3368056 lb/gal
Pounds per cubic foot to pounds per gallon: 12–1,000 lb/ft³
Pounds per cubic foot (lb/ft³)Pounds per gallon (lb/gal)
12 lb/ft³1.6041667 lb/gal
15 lb/ft³2.0052083 lb/gal
20 lb/ft³2.6736111 lb/gal
25 lb/ft³3.3420139 lb/gal
30 lb/ft³4.0104167 lb/gal
40 lb/ft³5.3472222 lb/gal
50 lb/ft³6.6840278 lb/gal
75 lb/ft³10.026042 lb/gal
100 lb/ft³13.368056 lb/gal
250 lb/ft³33.420139 lb/gal
500 lb/ft³66.840278 lb/gal
1,000 lb/ft³133.68056 lb/gal

About the units

Pound per cubic foot (lb/ft³)

About 16.018 kg/m³. Used for concrete, soil and insulation densities in US construction. One pound per cubic foot equals 16.01846337 kilograms per cubic meter (kg/m³).

Pound per US gallon (lb/gal)

About 119.83 kg/m³. Drilling mud and liquid fuels are often specified in pounds per gallon; water is about 8.34 lb/gal. One pound per US gallon equals 119.8264273 kilograms per cubic meter (kg/m³).

Frequently asked questions

How many pounds per gallon are in one pound per cubic foot?

There are 0.1336805556 pounds per gallon in one pound per cubic foot, and this value is exact by definition.

How do I convert pounds per cubic foot to pounds per gallon?

Multiply the number of pounds per cubic foot by 0.1336805556. For example, 10 lb/ft³ × 0.1336805556 = 1.336805556 lb/gal.

How many pounds per cubic foot are in one pound per US gallon?

One pound per US gallon equals 7.480519481 pounds per cubic foot. That is the reverse factor, 1 ÷ 0.1336805556.

What is 10 pounds per cubic foot in pounds per gallon?

10 lb/ft³ = 1.336805556 lb/gal.

Is this lb/ft³ to lb/gal converter accurate?

Yes. Both units are defined exactly in terms of SI units, so the conversion factor is exact; results are shown to 12 significant figures by default and you can change precision in the converter. Calculations run in your browser using the same tested engine that generated this page.

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