Megajoules to Horsepower (MJ → hp)

1,341.0

1.0000 MJ = 1,341.0 hp

Formula

1 MJ = 1341.021858656296 hp
HorsepowerMegajoules (Swap Units)

Conversion Table

MJhp
00
1.00001,341.0
2.00002,682.0
3.00004,023.1
4.00005,364.1
5.00006,705.1
6.00008,046.1
7.00009,387.2
8.000010,728
9.000012,069
10.00013,410
11.00014,751
12.00016,092
13.00017,433
14.00018,774
15.00020,115
16.00021,456
17.00022,797
18.00024,138
19.00025,479
MJhp
20.00026,820
21.00028,161
22.00029,502
23.00030,844
24.00032,185
25.00033,526
26.00034,867
27.00036,208
28.00037,549
29.00038,890
30.00040,231
31.00041,572
32.00042,913
33.00044,254
34.00045,595
35.00046,936
36.00048,277
37.00049,618
38.00050,959
39.00052,300
MJhp
40.00053,641
41.00054,982
42.00056,323
43.00057,664
44.00059,005
45.00060,346
46.00061,687
47.00063,028
48.00064,369
49.00065,710
50.00067,051
51.00068,392
52.00069,733
53.00071,074
54.00072,415
55.00073,756
56.00075,097
57.00076,438
58.00077,779
59.00079,120
MJhp
60.00080,461
61.00081,802
62.00083,143
63.00084,484
64.00085,825
65.00087,166
66.00088,507
67.00089,848
68.00091,189
69.00092,531
70.00093,872
71.00095,213
72.00096,554
73.00097,895
74.00099,236
75.000100,580
76.000101,920
77.000103,260
78.000104,600
79.000105,940

Megajoules to Horsepower Conversion

Converting Megajoules (MJ) to Horsepower (hp) is a common energy and power conversion. 1 MJ equals 1,341.021859 hp. For example, 100 MJ is equal to 134,102.185866 hp.

Quick Mental Math: Megajoules to Horsepower

If 0.01491 megajoules is released in 1 second, it is about 20 horsepower.

Why is converting Megajoules to Horsepower tricky?

megajoules to horsepower 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 MJ = 1,341.021859 hp. 5 MJ = 6,705.109293 hp. 10 MJ = 13,410.218587 hp. 25 MJ = 33,525.546466 hp. 50 MJ = 67,051.092933 hp. 100 MJ = 134,102.185866 hp.

What is Megajoules?

Megajoules (MJ) is a unit of energy and power. A megajoule equals one million joules, the SI unit of energy, defined as the work done when applying a force of one newton over one meter. One MJ equals 1,000,000 J exactly. It is used to quantify large energy amounts in scientific, industrial, and engineering contexts [bipm-si-brochure]. The joule was named after James Prescott Joule in the 19th century, honoring his work on energy. The megajoule as a multiple of the joule was standardized with the SI system established by BIPM in 1960 to handle large-scale energy measurements [bipm-si-brochure]. Megajoules are widely used internationally in energy production, mechanical work quantification, and fuel energy content. Industries such as electricity generation, chemical manufacturing, and automotive engineering rely on MJ for reporting energy values [nist-si-guide].

What is Horsepower?

Horsepower (hp) is a unit of energy and power. Horsepower is a unit of power originally defined to compare the output of steam engines with draft horses. The mechanical horsepower equals exactly 745.7 watts, as standardized by the SAE and ISO. It measures the rate of work or energy transfer in engines and motors [nist-cuu]. James Watt introduced the horsepower unit in the late 18th century to market his improved steam engines by equating their power to that of horses. This practical definition facilitated industrial adoption and standardization of power output metrics [nist-cuu]. Horsepower remains common in automotive, marine, and industrial machinery industries, especially in the US and Europe. Although the watt is the SI unit for power, horsepower is often used in marketing and technical specifications [nist-cuu].

Common Misspellings

People often search for this conversion using these alternate spellings: mega joules, megajoule, mega-joules, megajoules energy, horse power, horsepower, hp, horsepwer, horspower. All of these refer to the Megajoules to Horsepower conversion.

Common Conversions