BTU per pound to Kilojoule per kilogram Converter
1 BTU per pound is exactly 2.326 kilojoules per kilogram. Convert BTUs per pound (BTU/lb) to kilojoules per kilogram (kJ/kg) below: type a value and the result updates as you type.
BTU/lb to kJ/kg calculator
Result
BTU per pound to Kilojoule per kilogram conversion
1 BTU/lb = 2.326 kJ/kgone BTU per pound in kilojoules per kilogram
1 kJ/kg ≈ 0.4299226139 BTU/lbone kilojoule per kilogram in BTUs per pound
BTU per pound (BTU/lb): One BTU (IT) per avoirdupois pound: exactly 2326 J/kg.
Kilojoule per kilogram (kJ/kg): Exactly 1000 J/kg, the same as one joule per gram. Used in steam tables.
Source:BTU per pound: NIST Special Publication 811 (2008), Appendix B.8; Kilojoule per kilogram: SI Brochure, 9th edition (BIPM, 2019)
How to convert BTUs per pound to kilojoules per kilogram
To convert BTUs per pound to kilojoules per kilogram, multiply the number of BTUs per pound by 2.326.
Formula
kJ/kg = BTU/lb × 2.326
Examples
- 5 BTU/lb = 5 × 2.326 = 11.63 kJ/kg
- 25 BTU/lb = 25 × 2.326 = 58.15 kJ/kg
- 100 BTU/lb = 100 × 2.326 = 232.6 kJ/kg
BTU per pound to Kilojoule per kilogram conversion table
| BTU per pound (BTU/lb) | Kilojoule per kilogram (kJ/kg) |
|---|---|
| 0.1 BTU/lb | 0.2326 kJ/kg |
| 0.5 BTU/lb | 1.163 kJ/kg |
| 1 BTU/lb | 2.326 kJ/kg |
| 2 BTU/lb | 4.652 kJ/kg |
| 3 BTU/lb | 6.978 kJ/kg |
| 5 BTU/lb | 11.63 kJ/kg |
| 10 BTU/lb | 23.26 kJ/kg |
| 20 BTU/lb | 46.52 kJ/kg |
| 25 BTU/lb | 58.15 kJ/kg |
| 50 BTU/lb | 116.3 kJ/kg |
| 100 BTU/lb | 232.6 kJ/kg |
| 250 BTU/lb | 581.5 kJ/kg |
| 500 BTU/lb | 1163 kJ/kg |
| 1000 BTU/lb | 2326 kJ/kg |
Values rounded to 10 significant digits where needed.
Frequently asked questions
- How many kilojoules per kilogram are in one BTU per pound?
- One BTU per pound is exactly 2.326 kilojoules per kilogram.
- How do I convert kilojoules per kilogram to BTUs per pound?
- To convert kilojoules per kilogram to BTUs per pound, divide the number of kilojoules per kilogram by 2.326. The formula is BTU/lb = kJ/kg ÷ 2.326.
- Is this conversion exact?
- Yes. Both units have exact definitions and the factor 2.326 is exact. Displayed results are only rounded when they have many decimal places.
- Which is larger, a BTU per pound or a kilojoule per kilogram?
- A BTU per pound is 2.326 times larger than a kilojoule per kilogram. In other words, a kilojoule per kilogram is about 0.4299226139 of a BTU per pound.