BTU (IT) per Cubic Foot (BTU (IT)/ft³)
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.
BTU (IT) per Cubic Foot to Kilojoule per Cubic Meter
Convert btu (it) per cubic foot to kilojoule per cubic meter instantly. Type in either field — results update live.
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Fuel Efficiency (Volume) BTU (IT) per Cubic Foot Kilojoule per Cubic Meter
1 btu (it) per cubic foot = 37.25894617 kilojoules per cubic meter
Unit
Unit
Conversion table
Selected BTU (IT)/ft³ values converted to kJ/m³ using the exact factor from this tool.
| BTU (IT)/ft³ | kJ/m³ |
|---|---|
| 0.01 | 0.3725894617 |
| 0.1 | 3.725894617 |
| 1 | 37.25894617 |
| 2 | 74.51789234 |
| 3 | 111.77683851 |
| 5 | 186.29473085 |
| 10 | 372.5894617 |
| 20 | 745.1789234 |
| 50 | 1,862.9473085 |
| 100 | 3,725.894617 |
| 1,000 | 37,258.94617 |
How to convert
Exact conversion factors in both directions, plus a worked example.
1 BTU (IT)/ft³ = 37.25894617 kJ/m³
1 kJ/m³ = 0.0268391917 BTU (IT)/ft³
To convert btu (it) per cubic foot to kilojoule per cubic meter, multiply by 37.25894617.
To convert kilojoule per cubic meter to btu (it) per cubic foot, multiply by 0.0268391917.
Example: convert 10 BTU (IT)/ft³ to kJ/m³
10 × 37.25894617 = 372.5894617 kJ/m³
About these units
Short background on the units used in this conversion.
Frequently asked questions
How do I convert btu (it) per cubic foot to kilojoule per cubic meter?
Fuel efficiency uses inverse math when crossing energy-per-mass (or volume) and mass-per-energy (or volume-per-energy) units. One btu (it) per cubic foot equals 37.25894617 kilojoules per cubic meter. Enter your value above — reciprocal units are handled correctly in both directions.
What is the conversion relationship?
At this pair:
The reverse:
1 btu (it) per cubic foot = 37.25894617 kilojoules per cubic meterThe reverse:
1 kilojoule per cubic meter = 0.0268391917 BTU (IT) per cubic foot. IT and thermochemical variants are kept separate.Is this BTU (IT) per Cubic Foot to Kilojoule per Cubic Meter converter private?
Yes. All calculations run locally in your browser. Nothing you type is sent to a server.
All btu (it) per cubic foot conversions
Jump to any fuel efficiency-volume conversion starting from btu (it) per cubic foot — including the reverse direction and every other unit in our dataset.
kilojoule per cubic meter (kJ/m³) → btu (it) per cubic foot (BTU (IT)/ft³)
btu (it) per cubic foot (BTU (IT)/ft³) → joule per cubic meter (J/m³)btu (it) per cubic foot (BTU (IT)/ft³) → joule per liter (J/L)btu (it) per cubic foot (BTU (IT)/ft³) → megajoule per cubic meter (MJ/m³)btu (it) per cubic foot (BTU (IT)/ft³) → kilocalorie (it) per cubic meter (kcal (IT)/m³)btu (it) per cubic foot (BTU (IT)/ft³) → calorie (it) per cubic centimeter (cal (IT)/cm³)btu (it) per cubic foot (BTU (IT)/ft³) → btu (thermochemical) per cubic foot (BTU (th)/ft³)btu (it) per cubic foot (BTU (IT)/ft³) → therm per cubic foot (therm/ft³)btu (it) per cubic foot (BTU (IT)/ft³) → therm per gallon (uk) (therm/gal (UK))btu (it) per cubic foot (BTU (IT)/ft³) → chu per cubic foot (CHU/ft³)btu (it) per cubic foot (BTU (IT)/ft³) → cubic meter per joule (m³/J)btu (it) per cubic foot (BTU (IT)/ft³) → liter per joule (L/J)btu (it) per cubic foot (BTU (IT)/ft³) → gallon (us) per horsepower (gal (US)/hp)