British thermal units to kilocalories
1 British thermal unit in kilocalories
1 BTU = 0.25216 kcal
kcal = BTU × 0.2521644007
To convert British thermal units to kilocalories, multiply by 0.2521644007. The table below gives the values people look up most often, and the converter works for any number.
British thermal units to kilocalories table
| British thermal units | Kilocalories |
|---|---|
| 1 BTU | 0.25216 |
| 2 BTU | 0.50433 |
| 3 BTU | 0.75649 |
| 4 BTU | 1.008658 |
| 5 BTU | 1.260822 |
| 10 BTU | 2.521644 |
| 15 BTU | 3.782466 |
| 20 BTU | 5.043288 |
| 25 BTU | 6.30411 |
| 30 BTU | 7.564932 |
| 40 BTU | 10.08658 |
| 50 BTU | 12.60822 |
| 75 BTU | 18.91233 |
| 100 BTU | 25.21644 |
| 250 BTU | 63.0411 |
| 500 BTU | 126.0822 |
| 1,000 BTU | 252.1644 |
How the conversion works
The relationship is kcal = BTU × 0.2521644007. Both units measure energy, so the conversion is a fixed factor that never changes.
Kilocalorie: The "calorie" on food labels.
Common questions
- How many kilocalories are in one British thermal unit?
- One British thermal unit equals 0.25216 kilocalories. kcal = BTU × 0.2521644007.
- How do you convert British thermal units to kilocalories?
- Use kcal = BTU × 0.2521644007. So 10 BTU is 2.521644 kcal.
- How many British thermal units are in one kilocalorie?
- One kilocalorie equals 3.965667 British thermal units, which is the reverse of the conversion above.
- Is there more than one kind of kilocalorie?
- The "calorie" on food labels.
Related pages
Sources
- Guide for the Use of the International System of Units (SP 811) — NIST (Public domain (US Government))
- The International System of Units (SI Brochure) — Bureau International des Poids et Mesures
- Calculated on this page — At One Place