Skip to main content
UnitConvertersGo

lb/gal to kg/m³ Converter

Enter the density in lb/gal below to convert it to kg/m³.

Convert lb/gal (US) to kg/m³

Enter a value in lb/gal (us) (lb/gal) to convert to kg/m³ (kg/m³).

Result
•
599.1321365kg/m³
5 lb/gal = 599.1321365 kg/m³
Result updates automatically
Get Widget
Suggested Conversions
Reference:NIST OWM (SI Units — Volume & Mass Concentration)
[1–3] ↓

Pound per US Gallon to Kilogram per Cubic Meter Conversion Table

Table showing various pound per us gallon measurements converted to kg/m³. Click any preset value or arrow to load it into the converter.

How to Convert lb/gal to kg/m³

To convert lb/gal to kg/m³, multiply the density by the following conversion ratio: 119.8264273 kg/m³/pound per us gallon.

Since one pound per us gallon is equal to 119.8264273 kg/m³, you can use this simple formula to convert:

kg/m³ = lb/gal × 119.8264273

The density in kg/m³ is equal to the density in lb/gal multiplied by 119.8264273.

For example, here's how to convert 5 lb/gal to kg/m³ using the formula above.

kg/m³ = (5 lb/gal × 119.8264273) = 599.1321365 kg/m³

How Many kg/m³ Are in a Pound per US Gallon?

There are 119.8264273 kg/m³ in a pound per us gallon, which is why we use this value in the formula above.

1 lb/gal = 119.8264273 kg/m³|1 kg/m³ = 0.0083454 lb/gal

Our pound per us gallon to kilogram per cubic meter calculator automatically converts your density measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.

lb/gal and kg/m³ are both units used to measure density. Keep reading to learn more about each unit.

What Is a Pound per US Gallon?

A pound per us gallon is a unit of density equal to 119.8264273 kg/m³ (kg/m³), the base unit for density. Equal to 119.826 g/L (water is approx. 8.345 lb/gal). [1]

The pound per us gallon is classified as a US customary unit of density. lb/gal can be abbreviated as lb/gal; for example, 1 pound per us gallon can be written as 1 lb/gal.

When working with lb/gal (lb/gal) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.

In practice, lb/gal (lb/gal) are widely used across standard density applications within US customary workflows, engineering documentation, and technical data sheets.

What Is a Kilogram per Cubic Meter?

SI coherent unit of density (identically equal to 1 g/L). It serves as a primary reference unit for measuring density across scientific and practical applications. [2]

The kilogram per cubic meter is classified as an International System of Units (SI) unit of density. kg/m³ can be abbreviated as kg/m³; for example, 1 kilogram per cubic meter can be written as 1 kg/m³.

As the primary coherent reference unit for density in this category, all other density units are mathematically anchored to the kilogram per cubic meter (kg/m³).

In practice, kg/m³ (kg/m³) are widely used across standard density applications within International System of Units (SI) workflows, engineering documentation, and technical data sheets.

When converting density between lb/gal (lb/gal) and kg/m³ (kg/m³), keep full floating-point precision (1 lb/gal = 119.8264273 kg/m³; 1 kg/m³ = 0.0083454 lb/gal) during intermediate calculations and round only the final kilogram per cubic meter figure to match your instrument tolerance.

More Pound per US Gallon & Kilogram per Cubic Meter Conversions

Need to calculate in the opposite direction? Use our kg/m³ to lb/gal (us) calculator to switch your starting unit immediately. You can also explore related tools such as converting kg/m³ to lb/gal (us), converting g/cm³ to kg/m³, or converting lb/ft³ to kg/m³.

Frequently Asked Questions

There are 119.82643 kg/m³ (kg/m³) in 1 pound per us gallon (lb/gal). Conversely, 1 kilogram per cubic meter (kg/m³) is equal to 0.0083454 lb/gal (lb/gal).

References

NIST · BIPM · ISO
  1. [1]
    NIST OWM (SI Units — Volume & Mass Concentration)·Density & Concentration Metrology Standard — lb/gal (US) (lb/gal) to kg/m³ (kg/m³)
    NIST OWM Standard
  2. [2]
    NIST SP 811 (NIST SP 811 App. B.9 (Mass Density))·Unit Specifications: Pound per US Gallon (lb/gal) & Kilogram per Cubic Meter (kg/m³)
    NIST SP 811 Specification
  3. [3]
    BIPM (Coherent SI Density Standards (kg/m³))·Conversion Factors & Mathematical Basis (lb/gal to kg/m³)
    BIPM Reference
Measurement Navigator78 Categories9 Scientific Domains

Browse All 78 Measurement Categories

Engineering ConvertersMechanical, structural, and rotational kinematics converters including angular velocity, linear and angular acceleration, density, specific volume, moment of inertia, moment of force, and torque.