Density units converter
Density units converter - converts units between kilograms per cubic meter, grams per liter, ounces per galon etc. Both metric and imperial (US and UK) units are included. Also, you will find more exotic units here, such as multiplicity of Earth density or femtograms per liter.

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This online calculator is currently under heavy development. It may or it may NOT work correctly.
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However, please VERIFY all results on your own, as the level of completion of this item is NOT CONFIRMED.
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Inputs data - value and unit, which we're going to convert

1 (kilograms per cubic meter) is equal to:


kilograms per cubic meterkg/m31
kilograms per cubic decimeterkg/dm30.001
kilograms per cubic centimeterkg/cm30.000001
kilograms per cubic milimeterkg/mm31×10-9
grams per cubic meterg/m31000
grams per cubic decimeterg/dm31
grams per cubic centimeterg/cm30.001
grams per cubic milimeterg/mm30.000001
miligrams per cubic metermg/m31000000
miligrams per cubic decimetermg/dm31000
miligrams per cubic centimetermg/cm31
miligrams per cubic milimetermg/mm30.001

metric per liter

exograms per literEg/l1×10-18
teragrams per literTg/l1×10-12
gigagrams per literGg/l1×10-9
megagrams per literMg/l0.000001
kilogramy na litrKg/l0.001
hektograms per literhg/l0.01
dekagrams per literdg/l0.1
grams per literg/l1
decigrams per literdg/l10
centigrams per litercg/l100
miligrams per litermg/l1000
micrograms per literµg/l1000000
nanograms per literng/l1000000000
picograms per literng/l1×1012
femtograms per literfg/l1×1015
attograms per literag/l1×1018


pounds per cubic inchlb/in30.000036127
pounds per cubic footlb/ft30.062427961
pounds per cubic yardlb/yd31.685554936
pounds per gallon (US)lb/gal (US)0.008345404
pounds per gallon (UK)lb/gal (UK)0.010022413
ounces per cubic inchoz/in30.000578037
ounces per cubic footoz/ft30.998847369
ounces per gallon (US)oz/gal (US)0.133526471
ounces per gallon (UK)oz/gal (UK)0.160358606
grains per gallon (US)gr/gal (US)58.417831164
gramy na galon (UK)gr/gal (UK)70.156889985
grains per cubic footgr/ft3436.995724033
tons (short) per cubic yardton (short) / yd30.000842777
tons (long) per cubic yardton (long) / yd30.00075248
slugs per cubic footslug/ft30.00194032
psis per 1000 footspsi/1000ft0.433527504


earth density (mean)earth density0.000181225
water density (0 °C, solid)water (0 °C)0.00010929
water density (20 °C)water (20 °C)0.00010018
water density (4 °C)water (4 °C)0.001

Some facts

  • Density is the physical quantity that determines the ratio beetwen the mass and the volume that mass occupies.

  • We usually denote the density by d or the small Greek letter ρ (pronunciation: rho).
  • If the sample body has mass m and it occupies volume V, then the density of the substance from which it is composed can be calculated using the following formula:
    density (d) = mass (m) / volume (V)

  • The density unit in SI is kg/m3 (kilogram per cubic meter).
  • Density is a characteristic feature of the substance. An example of a relatively high density substance is steel. Another example is styrofoam, which has relative small density.
    ⓘ Example: If we grab a small steel ball in hand, we can easily feel it's weight. If we grab anologous (i.e. with the same size), but made of styrofoam ball in second hand, then we notice that it is much heavier than the previous one. This is because steel has a much higher density than styrofoam.

  • Substances with high density are good acoustic insulators. For example, making the walls of a room with a thick concrete layer (high density material) will cause what is going on inside to be very poorly audible on the outside.
  • Acoustic insulation does not go hand in hand with thermal insulation. For example: styrofoam (very low density material) is known as a very good thermal insulator, but is unusable as an acoustic insulator.
  • ⚠ WARNING! Substances can change their density depending on temperature and pressure. Therefore density tables also contain the conditions in which they were measured.

How to convert

  • Enter the number to field "value" - enter the NUMBER only, no other words, symbols or unit names. You can use dot (.) or comma (,) to enter fractions.
    • 1000000
    • 123,23
    • 999.99999
  • Find and select your starting unit in field "unit". Some unit calculators have huge number of different units to select from - it's just how complicated our world is...
  • And... you got the result in the table below. You'll find several results for many different units - we show you all results we know at once. Just find the one you're looking for.

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