Kilocalories to BTU per Hour (kcal → BTU/h)
Formula
1 kcal = 14276.404011314664 BTU/hConversion Table
| kcal | BTU/h |
|---|---|
| 0 | 0 |
| 1.0000 | 14,276 |
| 2.0000 | 28,553 |
| 3.0000 | 42,829 |
| 4.0000 | 57,106 |
| 5.0000 | 71,382 |
| 6.0000 | 85,658 |
| 7.0000 | 99,935 |
| 8.0000 | 114,210 |
| 9.0000 | 128,490 |
| 10.000 | 142,760 |
| 11.000 | 157,040 |
| 12.000 | 171,320 |
| 13.000 | 185,590 |
| 14.000 | 199,870 |
| 15.000 | 214,150 |
| 16.000 | 228,420 |
| 17.000 | 242,700 |
| 18.000 | 256,980 |
| 19.000 | 271,250 |
| kcal | BTU/h |
|---|---|
| 20.000 | 285,530 |
| 21.000 | 299,800 |
| 22.000 | 314,080 |
| 23.000 | 328,360 |
| 24.000 | 342,630 |
| 25.000 | 356,910 |
| 26.000 | 371,190 |
| 27.000 | 385,460 |
| 28.000 | 399,740 |
| 29.000 | 414,020 |
| 30.000 | 428,290 |
| 31.000 | 442,570 |
| 32.000 | 456,840 |
| 33.000 | 471,120 |
| 34.000 | 485,400 |
| 35.000 | 499,670 |
| 36.000 | 513,950 |
| 37.000 | 528,230 |
| 38.000 | 542,500 |
| 39.000 | 556,780 |
| kcal | BTU/h |
|---|---|
| 40.000 | 571,060 |
| 41.000 | 585,330 |
| 42.000 | 599,610 |
| 43.000 | 613,890 |
| 44.000 | 628,160 |
| 45.000 | 642,440 |
| 46.000 | 656,710 |
| 47.000 | 670,990 |
| 48.000 | 685,270 |
| 49.000 | 699,540 |
| 50.000 | 713,820 |
| 51.000 | 728,100 |
| 52.000 | 742,370 |
| 53.000 | 756,650 |
| 54.000 | 770,930 |
| 55.000 | 785,200 |
| 56.000 | 799,480 |
| 57.000 | 813,760 |
| 58.000 | 828,030 |
| 59.000 | 842,310 |
| kcal | BTU/h |
|---|---|
| 60.000 | 856,580 |
| 61.000 | 870,860 |
| 62.000 | 885,140 |
| 63.000 | 899,410 |
| 64.000 | 913,690 |
| 65.000 | 927,970 |
| 66.000 | 942,240 |
| 67.000 | 956,520 |
| 68.000 | 970,800 |
| 69.000 | 985,070 |
| 70.000 | 999,350 |
| 71.000 | 1,013,600 |
| 72.000 | 1,027,900 |
| 73.000 | 1,042,200 |
| 74.000 | 1,056,500 |
| 75.000 | 1,070,700 |
| 76.000 | 1,085,000 |
| 77.000 | 1,099,300 |
| 78.000 | 1,113,600 |
| 79.000 | 1,127,800 |
Kilocalories to BTU per Hour Conversion
Converting Kilocalories (kcal) to BTU per Hour (BTU/h) is a common energy and power conversion. 1 kcal equals 14,276.404011 BTU/h. For example, 100 kcal is equal to 1,427,640.401131 BTU/h.
Quick Mental Math: Kilocalories to BTU per Hour
If 0.2522 kilocalories is spread over 1 hour, it is about 1 BTU per hour.
Why is converting Kilocalories to BTU per Hour tricky?
kilocalories to btu per hour mixes energy with power, so the missing time step is the trap: the same energy gives different power over 1 second and 1 hour.
Quick Reference Values
1 kcal = 14,276.404011 BTU/h. 5 kcal = 71,382.020057 BTU/h. 10 kcal = 142,764.040113 BTU/h. 25 kcal = 356,910.100283 BTU/h. 50 kcal = 713,820.200566 BTU/h. 100 kcal = 1,427,640.401131 BTU/h.
What is Kilocalories?
Kilocalories (kcal) is a unit of energy and power. A kilocalorie equals exactly 1,000 calories and represents the amount of energy needed to raise the temperature of 1 kilogram of water by 1 degree Celsius. It is widely used to quantify food energy and is equivalent to 4,184 joules [bipm-si-brochure]. The calorie was introduced in the early 19th century by Nicolas Clément as a unit of heat energy. The kilocalorie became standard in nutrition science by the early 20th century to express food energy content [bipm-si-brochure]. Kilocalories are used globally in nutrition labeling, especially in the US and Europe, to indicate energy content of foods. Scientific contexts often prefer joules, but kcal remains prevalent in dietetics [nist-sp-811].
What is BTU per Hour?
BTU per Hour (BTU/h) is a unit of energy and power. BTU per hour (BTU/h) quantifies power as the rate of energy transfer equal to one British Thermal Unit delivered in one hour. It converts to approximately 0.293071 watts. This unit is commonly used to rate heating and cooling system capacities and thermal power consumption [nist-sp-811]. The concept of BTU per hour stemmed from the BTU to express continuous heat flow rates in heating and ventilation during the 19th century. It was formalized to measure energy transfer rates in thermal engineering applications [nist-sp-811]. BTU/h is standard in HVAC industry specifications in the US, Canada, and the UK. It is used to indicate the heating or cooling capacity of furnaces, air conditioners, and boilers where SI units are uncommon or supplemented [nist-sp-811].
Common Misspellings
People often search for this conversion using these alternate spellings: kilo calories, kcalorie, kilo-calories, btu per hr, btu/hour, btu per hours, btu per h, btu per hr. All of these refer to the Kilocalories to BTU per Hour conversion.