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HP to kW Converter

Convert horsepower to kilowatts in one step. Results update live in both directions, with a worked formula, nearby units and a 1–100 chart you can click.

HorsepowerFrom

KilowattsTo

Decimal places

Step-by-step calculation

How to use the HP to kW Converter

Type a value in the Horsepower box. The kilowatts result appears instantly.
Going the other way? Type in the Kilowatts box, or press the ⇄ swap button.
Set the precision with the decimal places menu.
Check the working in the step-by-step box, then press Copy result or click any row in the tables below.

Horsepower to kilowatts formula

kW = hp ÷ 1.34102209

Take the value in horsepower.
Divide it by 1.34102209 (the number of horsepower in one kilowatt).

Example: 200 hp ÷ 1.34102209 = 149.14 kW.

Reverse formula (kilowatts to horsepower): hp = kW × 1.34102209. Example: 111.855 kW × 1.34102209 = 150 hp.

Quick mental estimate: divide by about 1.3. For exact answers use the converter above.

hp to kW conversion table (1–100)

Click any row to load it into the converter.

Horsepower to kilowatts

Horsepower	Kilowatts
1 hp	0.746 kW
2 hp	1.491 kW
3 hp	2.237 kW
4 hp	2.983 kW
5 hp	3.728 kW
6 hp	4.474 kW
7 hp	5.22 kW
8 hp	5.966 kW
9 hp	6.711 kW
10 hp	7.457 kW
11 hp	8.203 kW
12 hp	8.948 kW
13 hp	9.694 kW
14 hp	10.44 kW
15 hp	11.185 kW
16 hp	11.931 kW
17 hp	12.677 kW
18 hp	13.423 kW
19 hp	14.168 kW
20 hp	14.914 kW
21 hp	15.66 kW
22 hp	16.405 kW
23 hp	17.151 kW
24 hp	17.897 kW
25 hp	18.642 kW
26 hp	19.388 kW
27 hp	20.134 kW
28 hp	20.88 kW
29 hp	21.625 kW
30 hp	22.371 kW
31 hp	23.117 kW
32 hp	23.862 kW
33 hp	24.608 kW
34 hp	25.354 kW
35 hp	26.099 kW
36 hp	26.845 kW
37 hp	27.591 kW
38 hp	28.337 kW
39 hp	29.082 kW
40 hp	29.828 kW
41 hp	30.574 kW
42 hp	31.319 kW
43 hp	32.065 kW
44 hp	32.811 kW
45 hp	33.556 kW
46 hp	34.302 kW
47 hp	35.048 kW
48 hp	35.794 kW
49 hp	36.539 kW
50 hp	37.285 kW
51 hp	38.031 kW
52 hp	38.776 kW
53 hp	39.522 kW
54 hp	40.268 kW
55 hp	41.013 kW
56 hp	41.759 kW
57 hp	42.505 kW
58 hp	43.251 kW
59 hp	43.996 kW
60 hp	44.742 kW
61 hp	45.488 kW
62 hp	46.233 kW
63 hp	46.979 kW
64 hp	47.725 kW
65 hp	48.47 kW
66 hp	49.216 kW
67 hp	49.962 kW
68 hp	50.708 kW
69 hp	51.453 kW
70 hp	52.199 kW
71 hp	52.945 kW
72 hp	53.69 kW
73 hp	54.436 kW
74 hp	55.182 kW
75 hp	55.927 kW
76 hp	56.673 kW
77 hp	57.419 kW
78 hp	58.165 kW
79 hp	58.91 kW
80 hp	59.656 kW
81 hp	60.402 kW
82 hp	61.147 kW
83 hp	61.893 kW
84 hp	62.639 kW
85 hp	63.384 kW
86 hp	64.13 kW
87 hp	64.876 kW
88 hp	65.622 kW
89 hp	66.367 kW
90 hp	67.113 kW
91 hp	67.859 kW
92 hp	68.604 kW
93 hp	69.35 kW
94 hp	70.096 kW
95 hp	70.841 kW
96 hp	71.587 kW
97 hp	72.333 kW
98 hp	73.079 kW
99 hp	73.824 kW
100 hp	74.57 kW

Kilowatts to horsepower

Kilowatts	Horsepower
1 kW	1.341 hp
2 kW	2.682 hp
3 kW	4.023 hp
4 kW	5.364 hp
5 kW	6.705 hp
6 kW	8.046 hp
7 kW	9.387 hp
8 kW	10.728 hp
9 kW	12.069 hp
10 kW	13.41 hp
11 kW	14.751 hp
12 kW	16.092 hp
13 kW	17.433 hp
14 kW	18.774 hp
15 kW	20.115 hp
16 kW	21.456 hp
17 kW	22.797 hp
18 kW	24.138 hp
19 kW	25.479 hp
20 kW	26.82 hp
21 kW	28.161 hp
22 kW	29.502 hp
23 kW	30.844 hp
24 kW	32.185 hp
25 kW	33.526 hp
26 kW	34.867 hp
27 kW	36.208 hp
28 kW	37.549 hp
29 kW	38.89 hp
30 kW	40.231 hp
31 kW	41.572 hp
32 kW	42.913 hp
33 kW	44.254 hp
34 kW	45.595 hp
35 kW	46.936 hp
36 kW	48.277 hp
37 kW	49.618 hp
38 kW	50.959 hp
39 kW	52.3 hp
40 kW	53.641 hp
41 kW	54.982 hp
42 kW	56.323 hp
43 kW	57.664 hp
44 kW	59.005 hp
45 kW	60.346 hp
46 kW	61.687 hp
47 kW	63.028 hp
48 kW	64.369 hp
49 kW	65.71 hp
50 kW	67.051 hp
51 kW	68.392 hp
52 kW	69.733 hp
53 kW	71.074 hp
54 kW	72.415 hp
55 kW	73.756 hp
56 kW	75.097 hp
57 kW	76.438 hp
58 kW	77.779 hp
59 kW	79.12 hp
60 kW	80.461 hp
61 kW	81.802 hp
62 kW	83.143 hp
63 kW	84.484 hp
64 kW	85.825 hp
65 kW	87.166 hp
66 kW	88.507 hp
67 kW	89.848 hp
68 kW	91.19 hp
69 kW	92.531 hp
70 kW	93.872 hp
71 kW	95.213 hp
72 kW	96.554 hp
73 kW	97.895 hp
74 kW	99.236 hp
75 kW	100.577 hp
76 kW	101.918 hp
77 kW	103.259 hp
78 kW	104.6 hp
79 kW	105.941 hp
80 kW	107.282 hp
81 kW	108.623 hp
82 kW	109.964 hp
83 kW	111.305 hp
84 kW	112.646 hp
85 kW	113.987 hp
86 kW	115.328 hp
87 kW	116.669 hp
88 kW	118.01 hp
89 kW	119.351 hp
90 kW	120.692 hp
91 kW	122.033 hp
92 kW	123.374 hp
93 kW	124.715 hp
94 kW	126.056 hp
95 kW	127.397 hp
96 kW	128.738 hp
97 kW	130.079 hp
98 kW	131.42 hp
99 kW	132.761 hp
100 kW	134.102 hp

Common values

Horsepower	Kilowatts	Example
1 hp	0.75 kW	1 hp
5 hp	3.73 kW	Lawn mower
10 hp	7.46 kW	10 hp
100 hp	74.57 kW	Small car
150 hp	111.85 kW	150 hp
200 hp	149.14 kW	Family car
300 hp	223.71 kW	300 hp
500 hp	372.85 kW	Sports car
1,000 hp	745.7 kW	Hypercar

About horsepower and kilowatts

Horsepower (hp). Mechanical (imperial) horsepower is 550 foot-pounds per second, about 745.7 watts. Metric horsepower (PS) is slightly smaller at 735.5 W.

Kilowatts (kW). The kilowatt is 1,000 watts. Engines, motors, heaters and EV chargers are rated in kW.

Frequently asked questions

What is 1 horsepower in kilowatts?

One horsepower equals 0.7457 kilowatts. Looking at it the other way, one kilowatt is 1.34102 horsepower.

How do you convert horsepower to kilowatts?

Divide the number of horsepower by 1.34102209. For example, 200 hp ÷ 1.34102209 = 149.14 kW.

What is 150 horsepower in kilowatts?

150 hp is 111.855 kW.

How do I convert kilowatts back to horsepower?

Multiply by 1.34102209, or press the ⇄ swap button above. For example, 111.855 kW × 1.34102209 = 150 hp.

Which horsepower does this use?

Mechanical (imperial) horsepower: 1 hp = 745.7 W. Metric horsepower (PS, CV) is 735.5 W, and electrical horsepower is exactly 746 W, so figures can differ by about 1.4% between brochures.

Does this converter work offline?

Once the page has loaded, the conversion runs entirely in your browser, so it keeps working without a connection. It is free and needs no sign-up.

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