Kilojoules to BTU per Hour (kJ → BTU/h)
Formula
1 kJ = 3412.1424501230076 BTU/hConversion Table
| kJ | BTU/h |
|---|---|
| 0 | 0 |
| 1.0000 | 3,412.1 |
| 2.0000 | 6,824.3 |
| 3.0000 | 10,236 |
| 4.0000 | 13,649 |
| 5.0000 | 17,061 |
| 6.0000 | 20,473 |
| 7.0000 | 23,885 |
| 8.0000 | 27,297 |
| 9.0000 | 30,709 |
| 10.000 | 34,121 |
| 11.000 | 37,534 |
| 12.000 | 40,946 |
| 13.000 | 44,358 |
| 14.000 | 47,770 |
| 15.000 | 51,182 |
| 16.000 | 54,594 |
| 17.000 | 58,006 |
| 18.000 | 61,419 |
| 19.000 | 64,831 |
| kJ | BTU/h |
|---|---|
| 20.000 | 68,243 |
| 21.000 | 71,655 |
| 22.000 | 75,067 |
| 23.000 | 78,479 |
| 24.000 | 81,891 |
| 25.000 | 85,304 |
| 26.000 | 88,716 |
| 27.000 | 92,128 |
| 28.000 | 95,540 |
| 29.000 | 98,952 |
| 30.000 | 102,360 |
| 31.000 | 105,780 |
| 32.000 | 109,190 |
| 33.000 | 112,600 |
| 34.000 | 116,010 |
| 35.000 | 119,420 |
| 36.000 | 122,840 |
| 37.000 | 126,250 |
| 38.000 | 129,660 |
| 39.000 | 133,070 |
| kJ | BTU/h |
|---|---|
| 40.000 | 136,490 |
| 41.000 | 139,900 |
| 42.000 | 143,310 |
| 43.000 | 146,720 |
| 44.000 | 150,130 |
| 45.000 | 153,550 |
| 46.000 | 156,960 |
| 47.000 | 160,370 |
| 48.000 | 163,780 |
| 49.000 | 167,190 |
| 50.000 | 170,610 |
| 51.000 | 174,020 |
| 52.000 | 177,430 |
| 53.000 | 180,840 |
| 54.000 | 184,260 |
| 55.000 | 187,670 |
| 56.000 | 191,080 |
| 57.000 | 194,490 |
| 58.000 | 197,900 |
| 59.000 | 201,320 |
| kJ | BTU/h |
|---|---|
| 60.000 | 204,730 |
| 61.000 | 208,140 |
| 62.000 | 211,550 |
| 63.000 | 214,960 |
| 64.000 | 218,380 |
| 65.000 | 221,790 |
| 66.000 | 225,200 |
| 67.000 | 228,610 |
| 68.000 | 232,030 |
| 69.000 | 235,440 |
| 70.000 | 238,850 |
| 71.000 | 242,260 |
| 72.000 | 245,670 |
| 73.000 | 249,090 |
| 74.000 | 252,500 |
| 75.000 | 255,910 |
| 76.000 | 259,320 |
| 77.000 | 262,730 |
| 78.000 | 266,150 |
| 79.000 | 269,560 |
Kilojoules to BTU per Hour Conversion
Converting Kilojoules (kJ) to BTU per Hour (BTU/h) is a common energy and power conversion. 1 kJ equals 3,412.14245 BTU/h. For example, 100 kJ is equal to 341,214.245012 BTU/h.
Quick Mental Math: Kilojoules to BTU per Hour
If 1 kilojoule is spread over 1 hour, it is about 0.9478 btu per hour.
Why is converting Kilojoules to BTU per Hour tricky?
kilojoules 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 kJ = 3,412.14245 BTU/h. 5 kJ = 17,060.712251 BTU/h. 10 kJ = 34,121.424501 BTU/h. 25 kJ = 85,303.561253 BTU/h. 50 kJ = 170,607.122506 BTU/h. 100 kJ = 341,214.245012 BTU/h.
What is Kilojoules?
Kilojoules (kJ) is a unit of energy and power. A kilojoule is a unit of energy equal to 1,000 joules. It quantifies work, heat, or energy transfer in the metric system, with one joule defined as one newton meter. Kilojoules are widely applied in physics, chemistry, and nutrition to measure energy content or expenditure [iso-80000]. The joule unit was named after James Prescott Joule in the late 19th century, reflecting mechanical equivalent of heat measurements. The kilojoule, as a multiple, became common with SI adoption to express larger energy quantities clearly and is standardized by ISO and BIPM [bipm-si-brochure]. Kilojoules are standard in scientific disciplines globally for energy quantification. Nutrition labels in many countries use kilojoules to indicate food energy content, while engineering and physics consistently apply kJ for energy calculations [nist-si-guide].
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: kilojoule, kilo joules, kilojouls, kilojoules energy, kj, btu per hr, btu/hour, btu per hours, btu per h, btu per hr. All of these refer to the Kilojoules to BTU per Hour conversion.