British thermal units to Calories Converter
1 British thermal unit (BTU) equals 252.164400722 calories (cal).
Quick answer
- 1 British thermal unit = 252.1644007 calories
- 1 calorie = 0.003965666831 British thermal units
- Formula: cal = BTU × 252.164400722
1 British thermal unit = 252.1644007 calories
How to convert British thermal units to calories
cal = BTU × 252.164400722
To convert British thermal units to calories, multiply the number of British thermal units by 252.164400722.
Example: 42 BTU to cal
- Start with the value in British thermal units: 42 BTU.
- Multiply by 252.164400722: 42 × 252.164400722 = 10,590.90483.
- Result: 42 British thermal units = 10,590.90483 calories.
Going the other way, 1 calorie = 0.003965666831 British thermal units, so to convert calories back to British thermal units you divide by the same number. See calories to British thermal units.
British thermal units to calories conversion table
| British thermal units (BTU) | Calories (cal) |
|---|---|
| 0.1 BTU | 25.21644007 cal |
| 0.2 BTU | 50.43288014 cal |
| 0.3 BTU | 75.64932022 cal |
| 0.4 BTU | 100.8657603 cal |
| 0.5 BTU | 126.0822004 cal |
| 0.6 BTU | 151.2986404 cal |
| 0.7 BTU | 176.5150805 cal |
| 0.8 BTU | 201.7315206 cal |
| 0.9 BTU | 226.9479606 cal |
| 1 BTU | 252.1644007 cal |
| 1.5 BTU | 378.2466011 cal |
| 2 BTU | 504.3288014 cal |
| 2.5 BTU | 630.4110018 cal |
| 3 BTU | 756.4932022 cal |
| 3.5 BTU | 882.5754025 cal |
| 4 BTU | 1,008.657603 cal |
| 4.5 BTU | 1,134.739803 cal |
| 5 BTU | 1,260.822004 cal |
| 6 BTU | 1,512.986404 cal |
| 7 BTU | 1,765.150805 cal |
| 7.5 BTU | 1,891.233005 cal |
| 8 BTU | 2,017.315206 cal |
| 9 BTU | 2,269.479606 cal |
| 10 BTU | 2,521.644007 cal |
| 11 BTU | 2,773.808408 cal |
| 12 BTU | 3,025.972809 cal |
| 13 BTU | 3,278.137209 cal |
| 14 BTU | 3,530.30161 cal |
| 15 BTU | 3,782.466011 cal |
| 16 BTU | 4,034.630412 cal |
| 17 BTU | 4,286.794812 cal |
| 18 BTU | 4,538.959213 cal |
| 19 BTU | 4,791.123614 cal |
| 20 BTU | 5,043.288014 cal |
| 21 BTU | 5,295.452415 cal |
| 22 BTU | 5,547.616816 cal |
| 23 BTU | 5,799.781217 cal |
| 24 BTU | 6,051.945617 cal |
| 25 BTU | 6,304.110018 cal |
| 26 BTU | 6,556.274419 cal |
More BTU to cal values
- 27 BTU
- 28 BTU
- 29 BTU
- 30 BTU
- 31 BTU
- 32 BTU
- 33 BTU
- 34 BTU
- 35 BTU
- 36 BTU
- 37 BTU
- 38 BTU
- 39 BTU
- 40 BTU
- 41 BTU
- 42 BTU
- 43 BTU
- 44 BTU
- 45 BTU
- 46 BTU
- 47 BTU
- 48 BTU
- 49 BTU
- 50 BTU
- 51 BTU
- 52 BTU
- 53 BTU
- 54 BTU
- 55 BTU
- 56 BTU
- 57 BTU
- 58 BTU
- 59 BTU
- 60 BTU
- 61 BTU
- 62 BTU
- 63 BTU
- 64 BTU
- 65 BTU
- 66 BTU
- 67 BTU
- 68 BTU
- 69 BTU
- 70 BTU
- 71 BTU
- 72 BTU
- 73 BTU
- 74 BTU
- 75 BTU
- 76 BTU
- 77 BTU
- 78 BTU
- 79 BTU
- 80 BTU
- 81 BTU
- 82 BTU
- 83 BTU
- 84 BTU
- 85 BTU
- 86 BTU
- 87 BTU
- 88 BTU
- 89 BTU
- 90 BTU
- 91 BTU
- 92 BTU
- 93 BTU
- 94 BTU
- 95 BTU
- 96 BTU
- 97 BTU
- 98 BTU
- 99 BTU
- 100 BTU
- 110 BTU
- 120 BTU
- 130 BTU
- 140 BTU
- 150 BTU
- 160 BTU
- 170 BTU
- 180 BTU
- 190 BTU
- 200 BTU
- 210 BTU
- 220 BTU
- 230 BTU
- 240 BTU
- 250 BTU
- 260 BTU
- 270 BTU
- 280 BTU
- 290 BTU
- 300 BTU
- 310 BTU
- 320 BTU
- 330 BTU
- 340 BTU
- 350 BTU
- 360 BTU
- 370 BTU
- 380 BTU
- 390 BTU
- 400 BTU
- 410 BTU
- 420 BTU
- 430 BTU
- 440 BTU
- 450 BTU
- 460 BTU
- 470 BTU
- 480 BTU
- 490 BTU
- 500 BTU
- 600 BTU
- 700 BTU
- 800 BTU
- 900 BTU
- 1,000 BTU
- 1,200 BTU
- 1,500 BTU
- 2,000 BTU
- 2,500 BTU
- 3,000 BTU
- 4,000 BTU
- 5,000 BTU
- 10,000 BTU
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.
What is a calorie?
The calorie (small calorie) is the energy needed to raise the temperature of one gram of water by about one degree Celsius.
Convert British thermal units to other units
- British thermal units to joules
- British thermal units to kilocalories
- British thermal units to kilowatt-hours
- British thermal units to kilojoules
- British thermal units to Calories (food)
- British thermal units to electronvolts
- British thermal units to watt-hours
- British thermal units to foot-pounds
- British thermal units to megajoules
- British thermal units to therms
- All British thermal unit conversions →
Convert other units to calories
Frequently asked questions
How many calories are in a British thermal unit?
One British thermal unit is 252.1644007 calories.
How many British thermal units are in a calorie?
One calorie is 0.003965666831 British thermal units.
What is the formula to convert British thermal units to calories?
cal = BTU × 252.164400722.