Kilogram per cubic meter (kg/m³)

SI unit of density and mass concentration. One kilogram per cubic meter equals one gram per liter.

What is a kilogram per cubic meter?

Symbol: kg/m³
Quantity: Density
Unit system: SI
Definition: SI unit of density and mass concentration. One kilogram per cubic meter equals one gram per liter.
Exact: Yes, the value is exact by definition
Source: SI Brochure, 9th edition (BIPM, 2019)

The SI unit of density, used for materials, gases and liquids in science and engineering.

Kilogram per cubic meter in other units
Kilogram per cubic meter	Gram per cubic centimeter	Pound per cubic foot	Pound per gallon (US)
1 kg/m³	= 0.001 g/cm³	≈ 0.06242796058 lb/ft³	≈ 0.008345404452 lb/gal
10 kg/m³	= 0.01 g/cm³	≈ 0.6242796058 lb/ft³	≈ 0.08345404452 lb/gal
100 kg/m³	= 0.1 g/cm³	≈ 6.242796058 lb/ft³	≈ 0.8345404452 lb/gal
1000 kg/m³	= 1 g/cm³	≈ 62.42796058 lb/ft³	≈ 8.345404452 lb/gal

The next smaller density unit is the gram per cubic meter (g/m³). 1 kg/m³ = 1000 g/m³, and 1 g/m³ = 0.001 kg/m³.

The next larger density unit is the pound per cubic foot (lb/ft³). 1 kg/m³ ≈ 0.06242796058 lb/ft³, and 1 lb/ft³ ≈ 16.01846337 kg/m³.

How many grams per cubic centimeter are in one kilogram per cubic meter?: One kilogram per cubic meter = 0.001 g/cm³ (grams per cubic centimeter).
How many pounds per cubic foot are in one kilogram per cubic meter?: One kilogram per cubic meter ≈ 0.06242796058 lb/ft³ (pounds per cubic foot).
How many pounds per gallon (US) are in one kilogram per cubic meter?: One kilogram per cubic meter ≈ 0.008345404452 lb/gal (pounds per gallon (US)).