Convert watts to horsepower (mechanical)s

1 W = 0.0013410220896 hp — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.

0.001 341 022 089 6hp
≈ Rounded to 12 s.f. 1 W ≈ 0.001 341 022 089 6 hp
As a fraction: 50000000000000/37284993579113511
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1 W = 0.0013410220896 hp
Show this value in all 21 power units
  • Terawatts TW 1e-12
  • Gigawatts GW 1e-9
  • Megawatts MW 0.000 001
  • Kilowatts kW 0.001
  • Watts W 1
  • Milliwatts mW 1000
  • Microwatts µW 1 000 000
  • Nanowatts nW 1 000 000 000
  • Horsepower (mechanical)s hp 0.001 341 022 089 6
  • Horsepower (metric)s PS 0.001 359 621 617 3
  • Horsepower (electric)s hp (E) 0.001 340 482 573 73
  • Horsepower (boiler)s hp (S) 0.000 101 931 042 065
  • BTU per hours BTU/h 3.412 141 633 13
  • BTU per seconds BTU/s 0.000 947 817 120 313
  • Ton of refrigerations RT 0.000 284 345 136 094
  • Calorie per seconds cal/s 0.239 005 736 138
  • Kilocalorie per hours kcal/h 0.860 420 650 096
  • Foot-pound per seconds ft·lbf/s 0.737 562 149 277
  • Erg per seconds erg/s 10 000 000
  • Volt-amperes VA 1
  • Kilovolt-amperes kVA 0.001

Every row is Watt (W) converted through the watt, in exact rational arithmetic.

How to convert watts to horsepower (mechanical)s

Multiply the number of watts by 0.0013410220896 to get horsepower (mechanical)s.

Horsepower (mechanical): 550 ft·lbf/s — exactly 745.699 871 582 270 22 W.

Watt to Horsepower (mechanical) conversion table

Watts (W) Horsepower (mechanical)s (hp)
1 W 0.001 341 022 1
2 W 0.002 682 044 2
3 W 0.004 023 066 3
5 W 0.006 705 110 4
10 W 0.013 410 221
20 W 0.026 820 442
25 W 0.033 525 552
50 W 0.067 051 104
100 W 0.134 102 21
250 W 0.335 255 52
500 W 0.670 511 04
1000 W 1.341 022 1

Horsepower (mechanical) to Watt conversion table

Horsepower (mechanical)s (hp) Watts (W)
1 hp 745.699 87
2 hp 1491.3997
3 hp 2237.0996
5 hp 3728.4994
10 hp 7456.9987
20 hp 14 913.997
25 hp 18 642.497
50 hp 37 284.994
100 hp 74 569.987
250 hp 186 424.97
500 hp 372 849.94
1000 hp 745 699.87

Frequently asked

How many horsepower (mechanical)s are in a watt?

One watt equals 0.00134102209 horsepower (mechanical)s (W → hp). That figure is exact, not rounded.

How do you convert watts to horsepower (mechanical)s?

Multiply the number of watts by 0.0013410220896 to get horsepower (mechanical)s.

What is 1 hp in watts?

One horsepower (mechanical) is 745.6998716 watts.

What is 10 W in hp?

10 W = 0.013 410 221 hp.

What exactly is a horsepower (mechanical)?

550 ft·lbf/s — exactly 745.699 871 582 270 22 W.

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