BTU per cubic foot (BTU/ft³)
One BTU (IT) per cubic foot. Natural gas in the US is about 1000 to 1100 BTU/ft³.
What is a BTU per cubic foot?
- Symbol
- BTU/ft³
- Quantity
- Fuel Energy per Volume
- Unit system
- US customary
- Definition
- One BTU (IT) per cubic foot. Natural gas in the US is about 1000 to 1100 BTU/ft³.
- Exact
- Yes, the value is exact by definition
- Source
- NIST Special Publication 811 (2008), Appendix B.8
Common applications
Used in the United States for the heat content of natural gas and propane on utility bills and in appliance sizing.
BTU per cubic foot in other fuel energy per volume units
- 1 BTU/ft³ ≈ 37258.94581 J/m³Joule per cubic meter
- 1 BTU/ft³ ≈ 37.25894581 kJ/m³Kilojoule per cubic meter
- 1 BTU/ft³ ≈ 0.03725894581 MJ/m³BTU per cubic foot to Megajoule per cubic meter converter
- 1 BTU/ft³ ≈ 0.00003725894581 MJ/LMegajoule per liter
- 1 BTU/ft³ ≈ 0.01034970717 kWh/m³Kilowatt-hour per cubic meter
- 1 BTU/ft³ ≈ 0.00001034970717 kWh/LKilowatt-hour per liter
- 1 BTU/ft³ ≈ 0.1336805556 BTU/galBTU per gallon (US)
BTU per cubic foot quick reference
| BTU per cubic foot | Megajoule per cubic meter | Joule per cubic meter | Kilojoule per cubic meter |
|---|---|---|---|
| 1 BTU/ft³ | ≈ 0.03725894581 MJ/m³ | ≈ 37258.94581 J/m³ | ≈ 37.25894581 kJ/m³ |
| 10 BTU/ft³ | ≈ 0.3725894581 MJ/m³ | ≈ 372589.4581 J/m³ | ≈ 372.5894581 kJ/m³ |
| 100 BTU/ft³ | ≈ 3.725894581 MJ/m³ | ≈ 3725894.581 J/m³ | ≈ 3725.894581 kJ/m³ |
| 1000 BTU/ft³ | ≈ 37.25894581 MJ/m³ | ≈ 37258945.81 J/m³ | ≈ 37258.94581 kJ/m³ |
Where the BTU per cubic foot fits
The next smaller fuel energy per volume unit is the kilojoule per cubic meter (kJ/m³). 1 BTU/ft³ ≈ 37.25894581 kJ/m³, and 1 kJ/m³ ≈ 0.02683919199 BTU/ft³.
The next larger fuel energy per volume unit is the BTU per gallon (US) (BTU/gal). 1 BTU/ft³ ≈ 0.1336805556 BTU/gal, and 1 BTU/gal ≈ 7.480519481 BTU/ft³.
Frequently asked questions
- How many megajoules per cubic meter are in one BTU per cubic foot?
- One BTU per cubic foot ≈ 0.03725894581 MJ/m³ (megajoules per cubic meter).
- How many joules per cubic meter are in one BTU per cubic foot?
- One BTU per cubic foot ≈ 37258.94581 J/m³ (joules per cubic meter).
- How many kilojoules per cubic meter are in one BTU per cubic foot?
- One BTU per cubic foot ≈ 37.25894581 kJ/m³ (kilojoules per cubic meter).