Convert Gigajoule per cubic metre to Megajoule per cubic metre

Convert Gigajoule per cubic metre (GJ/m³) to Megajoule per cubic metre (MJ/m³) instantly and accurately.

Gigajoule per cubic metre (GJ/m³)
Megajoule per cubic metre (MJ/m³)

Conversion Formula

MJ/m³ = GJ/m³ × 1000

About Gigajoule per cubic metre

The gigajoule per cubic metre (GJ/m³) equals exactly 10⁹ J/m³. Used for the energy density of high-energy-density materials and liquefied fuels: LNG ≈ 22.2 GJ/m³, liquid hydrogen ≈ 8.49 GJ/m³, petrol ≈ 34.2 GJ/m³. Also useful for large-scale thermal energy storage reservoirs. 1 GJ/m³ = 10³ MJ/m³ = 10⁹ J/m³.

About Megajoule per cubic metre

The megajoule per cubic metre (MJ/m³) equals exactly 10⁶ J/m³. The practical SI unit for fuel energy density: natural gas ≈ 35-40 MJ/m³, hydrogen (liquid) ≈ 8490 MJ/m³, diesel ≈ 34,200 MJ/m³. Numerically equal to kJ/L and widely used in fuel standards and energy audits. 1 MJ/m³ = 10⁶ J/m³ = 1 kJ/L.

Quick Reference Table

Gigajoule per cubic metre (GJ/m³)Megajoule per cubic metre (MJ/m³)
1 GJ/m³1000 MJ/m³
2 GJ/m³2000 MJ/m³
5 GJ/m³5000 MJ/m³
10 GJ/m³10000 MJ/m³
25 GJ/m³25000 MJ/m³
50 GJ/m³50000 MJ/m³
100 GJ/m³100000 MJ/m³

→ Full Thermal Energy Density Converter