How to convert BTU per pound to kilocalories per kilogram
kcal/kg = BTU/lb × 0.5559273423Multiply the value in BTU per pound by 0.5559273423. To go the other way, multiply by 1.798796217 (or divide by 0.5559273423).
A BTU per pound is smaller than a kilocalorie per kilogram: it takes 1.798796217 BTU per pound to make one kilocalorie per kilogram.
Worked examples
- 1 BTU per pound1 BTU/lb × 0.5559273423 = 0.5559273423 kcal/kg
- 5 BTU per pound5 BTU/lb × 0.5559273423 = 2.779636711 kcal/kg
- 10 BTU per pound10 BTU/lb × 0.5559273423 = 5.559273423 kcal/kg
- 20 BTU per pound20 BTU/lb × 0.5559273423 = 11.11854685 kcal/kg
- 100 BTU per pound100 BTU/lb × 0.5559273423 = 55.59273423 kcal/kg
BTU per pound to kilocalories per kilogram conversion table
Values are calculated by the conversion engine and rounded to 8 significant figures.
| BTU per pound (BTU/lb) | Kilocalories per kilogram (kcal/kg) |
|---|---|
| 0.1 BTU/lb | 0.055592734 kcal/kg |
| 0.25 BTU/lb | 0.13898184 kcal/kg |
| 0.5 BTU/lb | 0.27796367 kcal/kg |
| 1 BTU/lb | 0.55592734 kcal/kg |
| 2 BTU/lb | 1.1118547 kcal/kg |
| 3 BTU/lb | 1.667782 kcal/kg |
| 4 BTU/lb | 2.2237094 kcal/kg |
| 5 BTU/lb | 2.7796367 kcal/kg |
| 6 BTU/lb | 3.3355641 kcal/kg |
| 7 BTU/lb | 3.8914914 kcal/kg |
| 8 BTU/lb | 4.4474187 kcal/kg |
| 9 BTU/lb | 5.0033461 kcal/kg |
| 10 BTU/lb | 5.5592734 kcal/kg |
| BTU per pound (BTU/lb) | Kilocalories per kilogram (kcal/kg) |
|---|---|
| 12 BTU/lb | 6.6711281 kcal/kg |
| 15 BTU/lb | 8.3389101 kcal/kg |
| 20 BTU/lb | 11.118547 kcal/kg |
| 25 BTU/lb | 13.898184 kcal/kg |
| 30 BTU/lb | 16.67782 kcal/kg |
| 40 BTU/lb | 22.237094 kcal/kg |
| 50 BTU/lb | 27.796367 kcal/kg |
| 75 BTU/lb | 41.694551 kcal/kg |
| 100 BTU/lb | 55.592734 kcal/kg |
| 250 BTU/lb | 138.98184 kcal/kg |
| 500 BTU/lb | 277.96367 kcal/kg |
| 1,000 BTU/lb | 555.92734 kcal/kg |
About the units
BTU per pound (BTU/lb)
With the International Table BTU this is exactly 2,326 J/kg.
Kilocalorie per kilogram (kcal/kg)
The kilocalorie per kilogram (kcal/kg) is a unit of fuel efficiency by mass. One kilocalorie per kilogram equals 4,184 joules per kilogram (J/kg).
Frequently asked questions
How many kilocalories per kilogram are in one BTU per pound?
There are 0.5559273423 kilocalories per kilogram in one BTU per pound, and this value is exact by definition.
How do I convert BTU per pound to kilocalories per kilogram?
Multiply the number of BTU per pound by 0.5559273423. For example, 10 BTU/lb × 0.5559273423 = 5.559273423 kcal/kg.
How many BTU per pound are in one kilocalorie per kilogram?
One kilocalorie per kilogram equals 1.798796217 BTU per pound. That is the reverse factor, 1 ÷ 0.5559273423.
What is 10 BTU per pound in kilocalories per kilogram?
10 BTU/lb = 5.559273423 kcal/kg.
Is this BTU/lb to kcal/kg 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.