Convert btu per pound °fs to joule per kilogram kelvins
1 BTU/(lb·°F) = 4186.8 J/(kg·K) — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
More converter tools
Readable results
Ranges, ± tolerances, feet/inches and clock durations work in the value field.
Unit picker
Export this result
Show this value in all 7 specific heat capacity units
- Joule per kilogram kelvins J/(kg·K) 4186.8
- Kilojoule per kilogram kelvins kJ/(kg·K) 4.1868
- Joule per gram °Cs J/(g·°C) 4.1868
- Calorie per gram °Cs cal/(g·°C) 1.000 669 216 06
- Kilocalorie per kilogram °Cs kcal/(kg·°C) 1.000 669 216 06
- BTU per pound °Fs BTU/(lb·°F) 1
- Foot-pound per slug °Rs ft·lbf/(slug·°R) 25 036.855 629 3
Every row is BTU per pound °F (BTU/(lb·°F)) converted through the joule per kilogram kelvin, in exact rational arithmetic.
How to convert btu per pound °fs to joule per kilogram kelvins
Multiply the number of btu per pound °fs by 4186.8 to get joule per kilogram kelvins.
The exact factor is 4186.8 — as a fraction, 20934/5.
BTU per pound °F: Numerically equal to cal/(g·°C) — the BTU and the calorie were built to line up this way.
BTU per pound °F to Joule per kilogram kelvin conversion table
| BTU per pound °Fs (BTU/(lb·°F)) | Joule per kilogram kelvins (J/(kg·K)) |
|---|---|
| 1 BTU/(lb·°F) | 4186.8 |
| 2 BTU/(lb·°F) | 8373.6 |
| 3 BTU/(lb·°F) | 12 560.4 |
| 5 BTU/(lb·°F) | 20 934 |
| 10 BTU/(lb·°F) | 41 868 |
| 20 BTU/(lb·°F) | 83 736 |
| 25 BTU/(lb·°F) | 104 670 |
| 50 BTU/(lb·°F) | 209 340 |
| 100 BTU/(lb·°F) | 418 680 |
| 250 BTU/(lb·°F) | 1 046 700 |
| 500 BTU/(lb·°F) | 2 093 400 |
| 1000 BTU/(lb·°F) | 4 186 800 |
Joule per kilogram kelvin to BTU per pound °F conversion table
| Joule per kilogram kelvins (J/(kg·K)) | BTU per pound °Fs (BTU/(lb·°F)) |
|---|---|
| 1 J/(kg·K) | 0.000 238 845 9 |
| 2 J/(kg·K) | 0.000 477 691 79 |
| 3 J/(kg·K) | 0.000 716 537 69 |
| 5 J/(kg·K) | 0.001 194 229 5 |
| 10 J/(kg·K) | 0.002 388 459 |
| 20 J/(kg·K) | 0.004 776 917 9 |
| 25 J/(kg·K) | 0.005 971 147 4 |
| 50 J/(kg·K) | 0.011 942 295 |
| 100 J/(kg·K) | 0.023 884 59 |
| 250 J/(kg·K) | 0.059 711 474 |
| 500 J/(kg·K) | 0.119 422 95 |
| 1000 J/(kg·K) | 0.238 845 9 |
Frequently asked
How many joule per kilogram kelvins are in a btu per pound °f?
One btu per pound °f equals 4186.8 joule per kilogram kelvins (BTU/(lb·°F) → J/(kg·K)). That figure is exact, not rounded.
How do you convert btu per pound °fs to joule per kilogram kelvins?
Multiply the number of btu per pound °fs by 4186.8 to get joule per kilogram kelvins.
What is 1 J/(kg·K) in btu per pound °fs?
One joule per kilogram kelvin is 0.0002388458966 btu per pound °fs.
What is 10 BTU/(lb·°F) in J/(kg·K)?
10 BTU/(lb·°F) = 41 868 J/(kg·K).
What exactly is a btu per pound °f?
Numerically equal to cal/(g·°C) — the BTU and the calorie were built to line up this way.