# [kg/m³] kg-m3.com All about density

## Helium density

Density of Helium (He) is 0.1785 kg/m3 . *

Volumetric mass density of Helium (chemical elements) in other popular units:

= 0.0001785 [kg/L] or [g/mL] or [g/cm3] or [t/m3]

= 0.000103179545952 [oz/cu in] (Avoirdupois ounce per cubic inch)

= 0.00018620683746 [oz/US fl oz] (Avoirdupois ounce per fluid ounce)

= 6.448721622E-6 [lb/cu in] (Avoirdupois pound per cubic inch)

= 0.0111433910385 [lb/cu ft] (pound per cubic foot)

= 0.30087154965 [lb/cu yd] (pound per cubic yard)

= 0.001489654694325 [lb/US gal] (pound per US liquid gallon)

## Specific gravity (or relative density)

SGw4°C = 0.00017850448046246 (relative to 4°C water)

SGair20°C = 0.14824350137032 (relative to 20°C air)

## Calculator

### Helium mass?

To calculate Helium mass, enter the volume and select units for volume and mass:
Volume:
Mass: ?

### Helium volume?

To calculate Helium volume, enter the mass and select units for mass and volume:
Mass:
Volume: ?

Enter the number, chose units and click on "=" button. Popular units are marked with RED letters. More about used mass- and volume units you can find on conversion.org website

Notice: Don't be confused with expression: "weight of Helium". Unit for weight is Newton, N = mass × g ; where g=9.81 m/s2.

*Source: Wikipedia / List of chemical elements, Retrieved 2019-03-31