Convert Gram per Cubic Meter to Kilogram per Cubic Meter

Enter the number of grams per cubic meter that you want to convert to kilograms per cubic meter.

1 g/m³ (grams per cubic meter) = 0.001 kg/m³ (kilograms per cubic meter)

How to Convert Grams per Cubic Meter to Kilograms per Cubic Meter

The gram per cubic meter and kilogram per cubic meter are both units of density. By definition, 1 kilogram per cubic meter equals exactly 1000 grams per cubic meter. This means to convert grams per cubic meter to kilograms per cubic meter, you divide by 1000.

Formula

kilograms per cubic meter = grams per cubic meter ÷ 1000

Step-by-Step Example

Convert 5 g/m³ to kilograms per cubic meter:

1
Convert 5 g/m³ to kilograms per cubic meter

We need to convert grams per cubic meter to kilograms per cubic meter

2
Apply the formula

Since 1 kg/m³ = 1000 g/m³, divide by 1000

5 ÷ 1000 = 0.005

Answer

5 g/m³ = 0.005 kg/m³

Gram per Cubic Meter to Kilogram per Cubic Meter Conversion Table

Quick reference table for common gram per cubic meter to kilogram per cubic meter conversions. Click any value for detailed calculation.

Grams per Cubic Meter (g/m³) Kilograms per Cubic Meter (kg/m³)
0.1 g/m³ 0.0001 kg/m³
0.5 g/m³ 0.0005 kg/m³
1 g/m³ 0.001 kg/m³
2 g/m³ 0.002 kg/m³
5 g/m³ 0.005 kg/m³
10 g/m³ 0.01 kg/m³
25 g/m³ 0.025 kg/m³
50 g/m³ 0.05 kg/m³
100 g/m³ 0.1 kg/m³

About These Units

Gram per Cubic Meter (g/m³)

Grams per cubic meter (g/m³) measures gas densities and aerosol concentrations. Air: ~1,225 g/m³. Hydrogen: ~90 g/m³. Used for air quality (PM2.5 in μg/m³), industrial emissions, and atmospheric science. Converts easily to mg/L.

Kilogram per Cubic Meter (kg/m³)

Kilograms per cubic meter (kg/m³) is the SI unit of density. Water is exactly 1000 kg/m³ at 4°C. Air at sea level: ~1.225 kg/m³. Steel: 7,850 kg/m³. Gold: 19,300 kg/m³. Used in engineering, physics, and material science for mass-to-volume calculations.

Frequently Asked Questions

How do I convert grams per cubic meter to kilograms per cubic meter?

To convert grams per cubic meter to kilograms per cubic meter, divide the value by 1000. For example, 10 g/m³ = 0.01 kg/m³.

How many kilograms per cubic meter are in 1 gram per cubic meter?

1 gram per cubic meter equals 0.001 kilograms per cubic meter.

What is the formula for grams per cubic meter to kilograms per cubic meter?

The formula is: kg/m³ = g/m³ ÷ 1000.