Kilocalories to British thermal units Converter
1 kilocalorie (kcal) equals 3.96566683139 British thermal units (BTU).
Quick answer
- 1 kilocalorie = 3.965666831 British thermal units
- 1 British thermal unit = 0.2521644007 kilocalories
- Formula: BTU = kcal × 3.96566683139
1 kilocalorie = 3.965666831 British thermal units
How to convert kilocalories to British thermal units
BTU = kcal × 3.96566683139
To convert kilocalories to British thermal units, multiply the number of kilocalories by 3.96566683139.
Example: 42 kcal to BTU
- Start with the value in kilocalories: 42 kcal.
- Multiply by 3.96566683139: 42 × 3.96566683139 = 166.5580069.
- Result: 42 kilocalories = 166.5580069 British thermal units.
Going the other way, 1 British thermal unit = 0.252164400722 kilocalories, so to convert British thermal units back to kilocalories you divide by the same number. See British thermal units to kilocalories.
Kilocalories to British thermal units conversion table
| Kilocalories (kcal) | British thermal units (BTU) |
|---|---|
| 0.1 kcal | 0.3965666831 BTU |
| 0.2 kcal | 0.7931333663 BTU |
| 0.3 kcal | 1.189700049 BTU |
| 0.4 kcal | 1.586266733 BTU |
| 0.5 kcal | 1.982833416 BTU |
| 0.6 kcal | 2.379400099 BTU |
| 0.7 kcal | 2.775966782 BTU |
| 0.8 kcal | 3.172533465 BTU |
| 0.9 kcal | 3.569100148 BTU |
| 1 kcal | 3.965666831 BTU |
| 1.5 kcal | 5.948500247 BTU |
| 2 kcal | 7.931333663 BTU |
| 2.5 kcal | 9.914167078 BTU |
| 3 kcal | 11.89700049 BTU |
| 3.5 kcal | 13.87983391 BTU |
| 4 kcal | 15.86266733 BTU |
| 4.5 kcal | 17.84550074 BTU |
| 5 kcal | 19.82833416 BTU |
| 6 kcal | 23.79400099 BTU |
| 7 kcal | 27.75966782 BTU |
| 7.5 kcal | 29.74250124 BTU |
| 8 kcal | 31.72533465 BTU |
| 9 kcal | 35.69100148 BTU |
| 10 kcal | 39.65666831 BTU |
| 11 kcal | 43.62233515 BTU |
| 12 kcal | 47.58800198 BTU |
| 13 kcal | 51.55366881 BTU |
| 14 kcal | 55.51933564 BTU |
| 15 kcal | 59.48500247 BTU |
| 16 kcal | 63.4506693 BTU |
| 17 kcal | 67.41633613 BTU |
| 18 kcal | 71.38200297 BTU |
| 19 kcal | 75.3476698 BTU |
| 20 kcal | 79.31333663 BTU |
| 21 kcal | 83.27900346 BTU |
| 22 kcal | 87.24467029 BTU |
| 23 kcal | 91.21033712 BTU |
| 24 kcal | 95.17600395 BTU |
| 25 kcal | 99.14167078 BTU |
| 26 kcal | 103.1073376 BTU |
More kcal to BTU values
- 27 kcal
- 28 kcal
- 29 kcal
- 30 kcal
- 31 kcal
- 32 kcal
- 33 kcal
- 34 kcal
- 35 kcal
- 36 kcal
- 37 kcal
- 38 kcal
- 39 kcal
- 40 kcal
- 41 kcal
- 42 kcal
- 43 kcal
- 44 kcal
- 45 kcal
- 46 kcal
- 47 kcal
- 48 kcal
- 49 kcal
- 50 kcal
- 51 kcal
- 52 kcal
- 53 kcal
- 54 kcal
- 55 kcal
- 56 kcal
- 57 kcal
- 58 kcal
- 59 kcal
- 60 kcal
- 61 kcal
- 62 kcal
- 63 kcal
- 64 kcal
- 65 kcal
- 66 kcal
- 67 kcal
- 68 kcal
- 69 kcal
- 70 kcal
- 71 kcal
- 72 kcal
- 73 kcal
- 74 kcal
- 75 kcal
- 76 kcal
- 77 kcal
- 78 kcal
- 79 kcal
- 80 kcal
- 81 kcal
- 82 kcal
- 83 kcal
- 84 kcal
- 85 kcal
- 86 kcal
- 87 kcal
- 88 kcal
- 89 kcal
- 90 kcal
- 91 kcal
- 92 kcal
- 93 kcal
- 94 kcal
- 95 kcal
- 96 kcal
- 97 kcal
- 98 kcal
- 99 kcal
- 100 kcal
- 110 kcal
- 120 kcal
- 130 kcal
- 140 kcal
- 150 kcal
- 160 kcal
- 170 kcal
- 180 kcal
- 190 kcal
- 200 kcal
- 210 kcal
- 220 kcal
- 230 kcal
- 240 kcal
- 250 kcal
- 260 kcal
- 270 kcal
- 280 kcal
- 290 kcal
- 300 kcal
- 310 kcal
- 320 kcal
- 330 kcal
- 340 kcal
- 350 kcal
- 360 kcal
- 370 kcal
- 380 kcal
- 390 kcal
- 400 kcal
- 410 kcal
- 420 kcal
- 430 kcal
- 440 kcal
- 450 kcal
- 460 kcal
- 470 kcal
- 480 kcal
- 490 kcal
- 500 kcal
- 600 kcal
- 700 kcal
- 800 kcal
- 900 kcal
- 1,000 kcal
- 1,200 kcal
- 1,500 kcal
- 2,000 kcal
- 2,500 kcal
- 3,000 kcal
- 4,000 kcal
- 5,000 kcal
- 10,000 kcal
What is a kilocalorie?
The kilocalorie is 1,000 calories, 4,184 joules, the energy needed to warm one kilogram of water by about 1 °C.
What is a British thermal unit?
The British thermal unit is the energy needed to raise the temperature of one pound of water by one degree Fahrenheit, about 1,055 joules.
Convert kilocalories to other units
Convert other units to British thermal units
- Joules to British thermal units
- Kilowatt-hours to British thermal units
- Calories to British thermal units
- Kilojoules to British thermal units
- Calories (food) to British thermal units
- Electronvolts to British thermal units
- Watt-hours to British thermal units
- Foot-pounds to British thermal units
- Megajoules to British thermal units
- Therms to British thermal units
- All British thermal unit conversions →
Frequently asked questions
How many British thermal units are in a kilocalorie?
One kilocalorie is 3.965666831 British thermal units.
How many kilocalories are in a British thermal unit?
One British thermal unit is 0.2521644007 kilocalories.
What is the formula to convert kilocalories to British thermal units?
BTU = kcal × 3.96566683139.