How to convert BTU per cubic foot to BTU per gallon
BTU/gal = BTU/ft³ × 0.1336805556Multiply the value in BTU per cubic foot by 0.1336805556. To go the other way, multiply by 7.480519481 (or divide by 0.1336805556).
A BTU per cubic foot is smaller than a BTU per US gallon: it takes 7.480519481 BTU per cubic foot to make one BTU per US gallon.
Worked examples
- 1 BTU per cubic foot1 BTU/ft³ × 0.1336805556 = 0.1336805556 BTU/gal
- 5 BTU per cubic foot5 BTU/ft³ × 0.1336805556 = 0.6684027778 BTU/gal
- 10 BTU per cubic foot10 BTU/ft³ × 0.1336805556 = 1.336805556 BTU/gal
- 20 BTU per cubic foot20 BTU/ft³ × 0.1336805556 = 2.673611111 BTU/gal
- 100 BTU per cubic foot100 BTU/ft³ × 0.1336805556 = 13.36805556 BTU/gal
BTU per cubic foot to BTU per gallon conversion table
Values are calculated by the conversion engine and rounded to 8 significant figures.
| BTU per cubic foot (BTU/ft³) | BTU per gallon (BTU/gal) |
|---|---|
| 0.1 BTU/ft³ | 0.013368056 BTU/gal |
| 0.25 BTU/ft³ | 0.033420139 BTU/gal |
| 0.5 BTU/ft³ | 0.066840278 BTU/gal |
| 1 BTU/ft³ | 0.13368056 BTU/gal |
| 2 BTU/ft³ | 0.26736111 BTU/gal |
| 3 BTU/ft³ | 0.40104167 BTU/gal |
| 4 BTU/ft³ | 0.53472222 BTU/gal |
| 5 BTU/ft³ | 0.66840278 BTU/gal |
| 6 BTU/ft³ | 0.80208333 BTU/gal |
| 7 BTU/ft³ | 0.93576389 BTU/gal |
| 8 BTU/ft³ | 1.0694444 BTU/gal |
| 9 BTU/ft³ | 1.203125 BTU/gal |
| 10 BTU/ft³ | 1.3368056 BTU/gal |
| BTU per cubic foot (BTU/ft³) | BTU per gallon (BTU/gal) |
|---|---|
| 12 BTU/ft³ | 1.6041667 BTU/gal |
| 15 BTU/ft³ | 2.0052083 BTU/gal |
| 20 BTU/ft³ | 2.6736111 BTU/gal |
| 25 BTU/ft³ | 3.3420139 BTU/gal |
| 30 BTU/ft³ | 4.0104167 BTU/gal |
| 40 BTU/ft³ | 5.3472222 BTU/gal |
| 50 BTU/ft³ | 6.6840278 BTU/gal |
| 75 BTU/ft³ | 10.026042 BTU/gal |
| 100 BTU/ft³ | 13.368056 BTU/gal |
| 250 BTU/ft³ | 33.420139 BTU/gal |
| 500 BTU/ft³ | 66.840278 BTU/gal |
| 1,000 BTU/ft³ | 133.68056 BTU/gal |
About the units
BTU per cubic foot (BTU/ft³)
The BTU per cubic foot (BTU/ft³) is a unit of fuel efficiency by volume in the US customary system. One BTU per cubic foot equals 37,258.94581 joules per cubic meter (J/m³).
BTU per US gallon (BTU/gal)
The BTU per US gallon (BTU/gal) is a unit of fuel efficiency by volume in the US customary system. One BTU per US gallon equals 278,716.2699 joules per cubic meter (J/m³).
Frequently asked questions
How many BTU per gallon are in one BTU per cubic foot?
There are 0.1336805556 BTU per gallon in one BTU per cubic foot, and this value is exact by definition.
How do I convert BTU per cubic foot to BTU per gallon?
Multiply the number of BTU per cubic foot by 0.1336805556. For example, 10 BTU/ft³ × 0.1336805556 = 1.336805556 BTU/gal.
How many BTU per cubic foot are in one BTU per US gallon?
One BTU per US gallon equals 7.480519481 BTU per cubic foot. That is the reverse factor, 1 ÷ 0.1336805556.
What is 10 BTU per cubic foot in BTU per gallon?
10 BTU/ft³ = 1.336805556 BTU/gal.
Is this BTU/ft³ to BTU/gal converter accurate?
Yes. Both units are defined exactly in terms of SI units, so the conversion factor is exact; results are shown to 12 significant figures by default and you can change precision in the converter. Calculations run in your browser using the same tested engine that generated this page.