Kilojoules to Foot-Pounds per Second (kJ → ft⋅lbf/s)
Formula
1 kJ = 737.5621211696555 ft⋅lbf/sConversion Table
| kJ | ft⋅lbf/s |
|---|---|
| 0 | 0 |
| 1.0000 | 737.56 |
| 2.0000 | 1,475.1 |
| 3.0000 | 2,212.7 |
| 4.0000 | 2,950.2 |
| 5.0000 | 3,687.8 |
| 6.0000 | 4,425.4 |
| 7.0000 | 5,162.9 |
| 8.0000 | 5,900.5 |
| 9.0000 | 6,638.1 |
| 10.000 | 7,375.6 |
| 11.000 | 8,113.2 |
| 12.000 | 8,850.7 |
| 13.000 | 9,588.3 |
| 14.000 | 10,326 |
| 15.000 | 11,063 |
| 16.000 | 11,801 |
| 17.000 | 12,539 |
| 18.000 | 13,276 |
| 19.000 | 14,014 |
| kJ | ft⋅lbf/s |
|---|---|
| 20.000 | 14,751 |
| 21.000 | 15,489 |
| 22.000 | 16,226 |
| 23.000 | 16,964 |
| 24.000 | 17,701 |
| 25.000 | 18,439 |
| 26.000 | 19,177 |
| 27.000 | 19,914 |
| 28.000 | 20,652 |
| 29.000 | 21,389 |
| 30.000 | 22,127 |
| 31.000 | 22,864 |
| 32.000 | 23,602 |
| 33.000 | 24,340 |
| 34.000 | 25,077 |
| 35.000 | 25,815 |
| 36.000 | 26,552 |
| 37.000 | 27,290 |
| 38.000 | 28,027 |
| 39.000 | 28,765 |
| kJ | ft⋅lbf/s |
|---|---|
| 40.000 | 29,502 |
| 41.000 | 30,240 |
| 42.000 | 30,978 |
| 43.000 | 31,715 |
| 44.000 | 32,453 |
| 45.000 | 33,190 |
| 46.000 | 33,928 |
| 47.000 | 34,665 |
| 48.000 | 35,403 |
| 49.000 | 36,141 |
| 50.000 | 36,878 |
| 51.000 | 37,616 |
| 52.000 | 38,353 |
| 53.000 | 39,091 |
| 54.000 | 39,828 |
| 55.000 | 40,566 |
| 56.000 | 41,303 |
| 57.000 | 42,041 |
| 58.000 | 42,779 |
| 59.000 | 43,516 |
| kJ | ft⋅lbf/s |
|---|---|
| 60.000 | 44,254 |
| 61.000 | 44,991 |
| 62.000 | 45,729 |
| 63.000 | 46,466 |
| 64.000 | 47,204 |
| 65.000 | 47,942 |
| 66.000 | 48,679 |
| 67.000 | 49,417 |
| 68.000 | 50,154 |
| 69.000 | 50,892 |
| 70.000 | 51,629 |
| 71.000 | 52,367 |
| 72.000 | 53,104 |
| 73.000 | 53,842 |
| 74.000 | 54,580 |
| 75.000 | 55,317 |
| 76.000 | 56,055 |
| 77.000 | 56,792 |
| 78.000 | 57,530 |
| 79.000 | 58,267 |
Kilojoules to Foot-Pounds per Second Conversion
Converting Kilojoules (kJ) to Foot-Pounds per Second (ft⋅lbf/s) is a common energy and power conversion. 1 kJ equals 737.562121 ft⋅lbf/s. For example, 100 kJ is equal to 73,756.212117 ft⋅lbf/s.
Quick Mental Math: Kilojoules to Foot-Pounds per Second
If 0.01356 kilojoules is released in 1 second, it is about 10 foot pounds per second.
Why is converting Kilojoules to Foot-Pounds per Second tricky?
kilojoules to foot pounds per second 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 = 737.562121 ft⋅lbf/s. 5 kJ = 3,687.810606 ft⋅lbf/s. 10 kJ = 7,375.621212 ft⋅lbf/s. 25 kJ = 18,439.053029 ft⋅lbf/s. 50 kJ = 36,878.106058 ft⋅lbf/s. 100 kJ = 73,756.212117 ft⋅lbf/s.
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 Foot-Pounds per Second?
Foot-Pounds per Second (ft⋅lbf/s) is a unit of energy and power. Foot-pounds per second is a power unit representing one foot-pound of work performed every second. Since one foot-pound equals 1.355818 joules, 1 ft·lb/s equals approximately 1.355818 watts. It measures instantaneous mechanical power in imperial units [nist-cuu]. This unit arose from the combination of foot-pound work units with seconds to measure power in mechanical engineering, standardized alongside other imperial units in the 19th century. It reflects the rate of energy transfer [nist-cuu]. Foot-pounds per second is used in the United States in fields like mechanical engineering and automotive industries. It helps specify power output and torque rates where imperial units predominate [nist-cuu].
Common Misspellings
People often search for this conversion using these alternate spellings: kilojoule, kilo joules, kilojouls, kilojoules energy, kj, foot pounds per second, ft lb per sec, foot lb/sec, ft-lb per second. All of these refer to the Kilojoules to Foot-Pounds per Second conversion.