Btu to calories converter
1 BTU equals 252.164 calories. Conversions use cal = Btu × 252.16
Btu → 252.164 cal
cal = Btu × 252.16
Converter
Worked examples
- 1 Btu = 252.164 cal
- 2 Btu = 504.329 cal
- 5 Btu = 1,260.82 cal
- 10 Btu = 2,521.64 cal
- 100 Btu = 25,216.44 cal
BTUs to calories conversion table
| Btu | cal | Arithmetic |
|---|---|---|
| 1 Btu | 252.164 cal | × 252.16 |
| 2 Btu | 504.329 cal | × 252.16 |
| 3 Btu | 756.493 cal | × 252.16 |
| 4 Btu | 1,008.66 cal | × 252.16 |
| 5 Btu | 1,260.82 cal | × 252.16 |
| 6 Btu | 1,512.99 cal | × 252.16 |
| 8 Btu | 2,017.32 cal | × 252.16 |
| 10 Btu | 2,521.64 cal | × 252.16 |
| 12 Btu | 3,025.97 cal | × 252.16 |
| 15 Btu | 3,782.47 cal | × 252.16 |
| 20 Btu | 5,043.29 cal | × 252.16 |
| 25 Btu | 6,304.11 cal | × 252.16 |
| 30 Btu | 7,564.93 cal | × 252.16 |
| 40 Btu | 10,086.58 cal | × 252.16 |
| 50 Btu | 12,608.22 cal | × 252.16 |
| 60 Btu | 15,129.86 cal | × 252.16 |
| 70 Btu | 17,651.51 cal | × 252.16 |
| 80 Btu | 20,173.15 cal | × 252.16 |
| 90 Btu | 22,694.8 cal | × 252.16 |
| 100 Btu | 25,216.44 cal | × 252.16 |
How to convert Btu to cal
- Take your value in BTUs.
- Multiply by 252.16
- That is your answer in calories — no rounding needed until you choose a display precision.
Related conversions
cal to BtuJ to calkJ to calcal to Jcal to kJcal to kcalcal to Whcal to kWhkcal to calall energy units
Questions
How many calories in 1 BTU?
Exactly 252.164 cal. The factor follows from the definitions of both units, not from a measurement, so it is exact.
How do I convert Btu to cal?
Multiply the BTUs figure by 252.16 — or use the converter above, which updates as you type.
Is Btu to cal the same as cal to Btu?
No — they are inverses. One Btu is 252.164 cal, while one cal is 0.0039656668 Btu.
What is 1 Btu in cal?
1 Btu = 252.164 cal (see the value page for the full arithmetic).