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Horsepower is a unit of power that originated in the 18th century, coined by engineer James Watt to compare the output of steam engines with the power of draft horses. A fascinating aspect is the value assigned to this measurement: 1 British horsepower equals approximately 745.7 watts. To put this into perspective, this means that just one horsepower can light up more than ten 60-watt light bulbs!

Interestingly, the unit became widely adopted not for its precision but as a marketing tool. Since people were familiar with the strength of horses in everyday tasks, comparing engine power to horses made industrial power even more relatable and understandable during the Industrial Revolution. Today, horsepower continues to be an essential metric in the automotive and engine industries worldwide, despite its equine origins.

Did you know?

The watt, a unit of power in the International System of Units, is named after James Watt, the Scottish inventor who vastly improved the efficiency of steam engines in the 18th century. One watt is equivalent to one joule of energy per second, signifying how much energy is transferred or converted. Interestingly, a single watt is roughly the amount of power used by a human heart, pumping about 80 milliliters of blood per beat with a resting heart rate.

In our technology-driven society, watts are pivotal in understanding the energy consumption of electrical devices. For instance, a typical LED light bulb uses about 10 watts, significantly less than an incandescent bulb, highlighting the watt’s role in energy conservation. Moreover, the watt powers our world: everything from the brightness of light bulbs to the performance of supercomputers is measured in watts, underlining its importance in both everyday life and cutting-edge technology.

> Horsepower (British) to Watts Conversion Table

Horsepower (British) Watts
0 hp 0 W
10 hp 7456.99872 W
20 hp 14913.99744 W
30 hp 22370.99616 W
40 hp 29827.99487 W
50 hp 37284.99359 W
60 hp 44741.99231 W
70 hp 52198.99103 W
80 hp 59655.98975 W
90 hp 67112.98847 W
100 hp 74569.98719 W
110 hp 82026.9859 W
120 hp 89483.98462 W
130 hp 96940.98334 W
140 hp 104397.98206 W
150 hp 111854.98078 W
160 hp 119311.9795 W
170 hp 126768.97822 W
180 hp 134225.97694 W
190 hp 141682.97565 W
200 hp 149139.97437 W
210 hp 156596.97309 W
220 hp 164053.97181 W
230 hp 171510.97053 W
240 hp 178967.96925 W
250 hp 186424.96797 W
260 hp 193881.96668 W
270 hp 201338.9654 W
280 hp 208795.96412 W
290 hp 216252.96284 W
300 hp 223709.96156 W
310 hp 231166.96028 W
320 hp 238623.959 W
330 hp 246080.95771 W
340 hp 253537.95643 W
350 hp 260994.95515 W
360 hp 268451.95387 W
370 hp 275908.95259 W
380 hp 283365.95131 W
390 hp 290822.95003 W
400 hp 298279.94875 W
410 hp 305736.94746 W
420 hp 313193.94618 W
430 hp 320650.9449 W
440 hp 328107.94362 W
450 hp 335564.94234 W
460 hp 343021.94106 W
470 hp 350478.93978 W
480 hp 357935.93849 W
490 hp 365392.93721 W
500 hp 372849.93593 W
510 hp 380306.93465 W
520 hp 387763.93337 W
530 hp 395220.93209 W
540 hp 402677.93081 W
550 hp 410134.92952 W
560 hp 417591.92824 W
570 hp 425048.92696 W
580 hp 432505.92568 W
590 hp 439962.9244 W
600 hp 447419.92312 W
610 hp 454876.92184 W
620 hp 462333.92055 W
630 hp 469790.91927 W
640 hp 477247.91799 W
650 hp 484704.91671 W
660 hp 492161.91543 W
670 hp 499618.91415 W
680 hp 507075.91287 W
690 hp 514532.91159 W
700 hp 521989.9103 W
710 hp 529446.90902 W
720 hp 536903.90774 W
730 hp 544360.90646 W
740 hp 551817.90518 W
750 hp 559274.9039 W
760 hp 566731.90262 W
770 hp 574188.90133 W
780 hp 581645.90005 W
790 hp 589102.89877 W
800 hp 596559.89749 W
810 hp 604016.89621 W
820 hp 611473.89493 W
830 hp 618930.89365 W
840 hp 626387.89236 W
850 hp 633844.89108 W
860 hp 641301.8898 W
870 hp 648758.88852 W
880 hp 656215.88724 W
890 hp 663672.88596 W
900 hp 671129.88468 W
910 hp 678586.88339 W
920 hp 686043.88211 W
930 hp 693500.88083 W
940 hp 700957.87955 W
950 hp 708414.87827 W
960 hp 715871.87699 W
970 hp 723328.87571 W
980 hp 730785.87443 W
990 hp 738242.87314 W
1000 hp 745699.87186 W