Joules per gram to BTU per pound
Type a value in J/g to get it in BTU/lb instantly.
970.3BTU/lb
That's about the same as boiling water. A 2 kW kettle would need about 1,129 seconds to supply that for one kilogram.
What it means
How much energy is that?
Latent heat is quoted at the transition temperature and pressure. Water’s 2,257 kJ/kg is at 100 °C; at 20 °C evaporation costs about 2,450.
The math
How to convert J/g to BTU/lb
To convert joules per gram to BTU per pound, multiply by 0.429923.
Example: 2,257 J/g × 0.429923 = 970.335 BTU/lb.
In the other direction, 1 BTU/lb = 2.326 J/g.
Every unit
Your latent heat in every unit
Tables
J/g to BTU/lb conversion table
| J/g | BTU/lb |
|---|---|
| 50 J/g | 21.4961 BTU/lb |
| 100 J/g | 42.9923 BTU/lb |
| 200 J/g | 85.9845 BTU/lb |
| 334 J/g | 143.594 BTU/lb |
| 500 J/g | 214.961 BTU/lb |
| 1,000 J/g | 429.923 BTU/lb |
| 1,500 J/g | 644.884 BTU/lb |
| 2,000 J/g | 859.845 BTU/lb |
| 2,257 J/g | 970.335 BTU/lb |
| 2,500 J/g | 1,074.81 BTU/lb |
| 5,000 J/g | 2,149.61 BTU/lb |
BTU/lb to J/g conversion table
| BTU/lb | J/g |
|---|---|
| 50 BTU/lb | 116.3 J/g |
| 100 BTU/lb | 232.6 J/g |
| 200 BTU/lb | 465.2 J/g |
| 334 BTU/lb | 776.884 J/g |
| 500 BTU/lb | 1,163 J/g |
| 1,000 BTU/lb | 2,326 J/g |
| 1,500 BTU/lb | 3,489 J/g |
| 2,000 BTU/lb | 4,652 J/g |
| 2,257 BTU/lb | 5,249.78 J/g |
| 2,500 BTU/lb | 5,815 J/g |
| 5,000 BTU/lb | 11,630 J/g |
Quick answers
Quick answers
- How many BTU/lb is 1 J/g?
- 1 J/g is 0.429923 BTU/lb.
- How many BTU/lb is 10 J/g?
- 10 J/g is 4.29923 BTU/lb.
- How many BTU/lb is 2,257 J/g?
- 2,257 J/g is 970.335 BTU/lb.
The units
About these units
Joules per gram (J/g)
Numerically the same as kJ/kg, used in laboratory work.
BTU per pound (BTU/lb)
The US refrigeration and steam unit.
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