Pounds per US gallon to pounds per cubic foot

Type a value in pounds per US gallon to see it in pounds per cubic foot straight away, or type in the second box to convert back.

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Processing and privacy: The result is calculated inside your browser and your data is not sent to any server.

How to use it

  1. Type the value in the pounds per US gallon box.
  2. Read the result in pounds per cubic foot as you type, and pick the precision you need.
  3. Swap the direction to convert back, or copy the result.

How it is calculated

lb/ft³ = lb/gal (US) × 7.480519481

Multiply the value in pounds per US gallon by 7.480519481 to get pounds per cubic foot.

Example

To convert 25 lb/gal (US) to pounds per cubic foot: 25 × 7.480519481 = 187.013 lb/ft³.

Conversion table

Pounds per US gallon (lb/gal (US))Pounds per cubic foot (lb/ft³)
17.48052
214.961
322.4416
537.4026
1074.8052
20149.61
25187.013
50374.026
100748.052
2501,870.13
5003,740.26
1,0007,480.52

About the units

Pound per US gallon
One pound in one US gallon (3.785411784 L), about 119.826 kg/m³, used for drilling mud, paint and fuel.
Pound per cubic foot
A US and imperial unit: one pound (0.45359237 kg) in one cubic foot (0.028316846592 m³), about 16.0185 kg/m³.

Limits and caveats

  • Results are rounded for display and computed with the browser's floating point precision (about 15 significant digits).
  • Both unit factors are exact by their official definitions.

Questions about this tool

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

1 lb/gal (US) = 7.48052 lb/ft³ exactly.

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

Use lb/ft³ = lb/gal (US) × 7.480519481. For example, 25 lb/gal (US) = 187.013 lb/ft³.

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

1 lb/ft³ = 0.133681 lb/gal (US).

How do I find the weight of a liquid from its density?

Multiply density by volume in matching units: 2 liters of oil at 0.92 kg/L weigh 1.84 kilograms.

Is the density of water exactly 1 g/cm³?

Nearly: pure water at about 4 °C is close to 0.99997 g/cm³ and gets slightly lighter as it warms. Using 1 g/cm³ is a fine approximation for most purposes.