Convert joule per cubic meter to btu (it) per cubic foot instantly. Type in either field — results update live.
Selected J/m³ values converted to BTU (IT)/ft³ using the exact factor from this tool.
| J/m³ | BTU (IT)/ft³ |
|---|---|
| 0.01 | 2.683919e-7 |
| 0.1 | 0.0000026839 |
| 1 | 0.0000268392 |
| 2 | 0.0000536784 |
| 3 | 0.0000805176 |
| 5 | 0.000134196 |
| 10 | 0.0002683919 |
| 20 | 0.0005367838 |
| 50 | 0.0013419596 |
| 100 | 0.0026839192 |
| 1,000 | 0.0268391917 |
Exact conversion factors in both directions, plus a worked example.
1 J/m³ = 0.0000268392 BTU (IT)/ft³
1 BTU (IT)/ft³ = 37258.94617 J/m³
To convert joule per cubic meter to btu (it) per cubic foot, multiply by 0.0000268392.
To convert btu (it) per cubic foot to joule per cubic meter, multiply by 37258.94617.
Example: convert 10 J/m³ to BTU (IT)/ft³
10 × 0.0000268392 = 0.0002683919 BTU (IT)/ft³
Short background on the units used in this conversion.
The joule per cubic meter (J/m³) is the SI unit of fuel efficiency on a volume basis — energy per unit fuel volume.
Joules per cubic meter compare volumetric heating values of gases and liquids in engineering and energy economics.
BTU (IT) per cubic foot equals 37258.94617 J/m³ — a standard US volumetric heating value unit.
BTU per cubic foot rates natural gas and other gaseous fuels in US utility and HVAC specifications.
1 joule per cubic meter = 0.0000268392 BTU (IT) per cubic foot1 btu (it) per cubic foot = 37,258.94617 joules per cubic meter. IT and thermochemical variants are kept separate.Jump to any fuel efficiency-volume conversion starting from joule per cubic meter — including the reverse direction and every other unit in our dataset.