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Joule per cubic meter (J/m³)

SI unit of energy density: energy per cubic meter.

What is a joule per cubic meter?

Symbol
J/m³
Quantity
Fuel Energy per Volume
Unit system
SI
Definition
SI unit of energy density: energy per cubic meter.
Exact
Yes, the value is exact by definition
Source
SI Brochure, 9th edition (BIPM, 2019)

Common applications

The SI unit of energy density, used in physics for the energy stored in fields and materials. It has the same dimensions as the pascal.

Joule per cubic meter in other fuel energy per volume units

Joule per cubic meter quick reference

Joule per cubic meter in other units
Joule per cubic meterMegajoule per cubic meterBTU per cubic footKilojoule per cubic meter
1 J/m³= 0.000001 MJ/m³≈ 0.00002683919199 BTU/ft³= 0.001 kJ/m³
10 J/m³= 0.00001 MJ/m³≈ 0.0002683919199 BTU/ft³= 0.01 kJ/m³
100 J/m³= 0.0001 MJ/m³≈ 0.002683919199 BTU/ft³= 0.1 kJ/m³
1000 J/m³= 0.001 MJ/m³≈ 0.02683919199 BTU/ft³= 1 kJ/m³

Where the joule per cubic meter fits

The next larger fuel energy per volume unit is the kilojoule per cubic meter (kJ/m³). 1 J/m³ = 0.001 kJ/m³, and 1 kJ/m³ = 1000 J/m³.

Frequently asked questions

How many megajoules per cubic meter are in one joule per cubic meter?
One joule per cubic meter = 0.000001 MJ/m³ (megajoules per cubic meter).
How many BTUs per cubic foot are in one joule per cubic meter?
One joule per cubic meter ≈ 0.00002683919199 BTU/ft³ (BTUs per cubic foot).
How many kilojoules per cubic meter are in one joule per cubic meter?
One joule per cubic meter = 0.001 kJ/m³ (kilojoules per cubic meter).