Gram/Cubic Meter to Kilogram/Cubic Meter Converter

Density Converter

16 units available

Decimals:

From

To

0.001

1 g/m³ = 0.001 kg/m³

Formula:

kg/m³ = g/m³ × 0.001

With your value: 1 g/m³ = 0.001 kg/m³

Other Gram/Cubic Meter to Kilogram/Cubic Meter conversions

2 g/m³ to kg/m³ 3 g/m³ to kg/m³ 4 g/m³ to kg/m³ 5 g/m³ to kg/m³ 6 g/m³ to kg/m³ 7 g/m³ to kg/m³ 8 g/m³ to kg/m³

Gram/Cubic Meter to Kilogram/Cubic Meter Conversion Table

Gram/Cubic Meter (g/m³)	Kilogram/Cubic Meter (kg/m³)
0.5	0.0005
1	0.001
2	0.002
5	0.005
10	0.01
15	0.015
20	0.02
25	0.025
50	0.05
100	0.1
250	0.25
500	0.5
1000	1

Kilogram/Cubic Meter to Gram/Cubic Meter Conversion Table

Kilogram/Cubic Meter (kg/m³)	Gram/Cubic Meter (g/m³)
0.5	500
1	1,000
2	2,000
5	5,000
10	10,000
15	15,000
20	20,000
25	25,000
50	50,000
100	100,000
250	250,000
500	500,000
1000	1,000,000

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Gram/Cubic Meter (g/m³)

Density

Exact conversion

Derived from mass per unit volume using the definitions above.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

Kilogram/Cubic Meter (kg/m³)

Density

Exact conversion

Derived from mass per unit volume using the definitions above.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

How to Convert Gram/Cubic Meter to Kilogram/Cubic Meter

To convert from Gram/Cubic Meter (g/m³) to Kilogram/Cubic Meter (kg/m³), multiply the value by 0.001.

Formula: kg/m³ = g/m³ × 0.001

Reverse: g/m³ = kg/m³ × 1,000

Step-by-Step Example

Start with your value in Gram/Cubic Meter. For example: 5 g/m³
Multiply by the conversion factor: 5 x 0.001
The result is: 0.005 kg/m³

About Gram/Cubic Meter

The gram/cubic meter (g/m³) is a unit of density. One gram/cubic meter equals 0.001 kilogram per cubic metres. UnitConvertLab converts it against every other density unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: density calculations, engineering and science, education.

About Kilogram/Cubic Meter

The kilogram/cubic meter (kg/m³) is a unit of density. One kilogram/cubic meter equals 1 kilogram per cubic metre. UnitConvertLab converts it against every other density unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: density calculations, engineering and science, education.

Frequently Asked Questions

How many Kilogram/Cubic Meter are in 1 Gram/Cubic Meter?

There are exactly 0.001 Kilogram/Cubic Meter in 1 Gram/Cubic Meter. This means the conversion factor from Gram/Cubic Meter to Kilogram/Cubic Meter is 0.001.

What is the formula to convert Gram/Cubic Meter to Kilogram/Cubic Meter?

The formula to convert Gram/Cubic Meter to Kilogram/Cubic Meter is: kg/m³ = g/m³ × 0.001. For example, to convert 10 Gram/Cubic Meter to Kilogram/Cubic Meter, you would multiply 10 by 0.001.

What is a Gram/Cubic Meter?