Watt to Horsepower (Metric) Converter

Power Converter

22 units available

Decimals:

From

To

0.00136

1 W = 0.00136 PS

Formula:

PS = W × 0.0013596216

With your value: 1 W = 0.00135962 PS

How big is that?

Everyday references on a logarithmic scale, all expressed in watt so you can sanity-check the result.

Your value1.00 W

LED bulb (9.0× your value)9.00 W

Laptop (65× your value)65.0 W

Microwave oven (1.0e+3× your value)1.00e+3 W

Electric kettle (3.0e+3× your value)3.00e+3 W

Family car engine (9.0e+4× your value)9.00e+4 W

Other Watt to Horsepower (Metric) conversions

2 W to PS 3 W to PS 4 W to PS 5 W to PS 6 W to PS 7 W to PS 8 W to PS

Watt to Horsepower (Metric) Conversion Table

Watt (W)	Horsepower (Metric) (PS)
0.5	0.00068
1	0.00136
2	0.002719
5	0.006798
10	0.013596
15	0.020394
20	0.027192
25	0.033991
50	0.067981
100	0.135962
250	0.339905
500	0.679811
1000	1.359622

Horsepower (Metric) to Watt Conversion Table

Horsepower (Metric) (PS)	Watt (W)
0.5	367.749375
1	735.49875
2	1,470.9975
5	3,677.49375
10	7,354.9875
15	11,032.48125
20	14,709.975
25	18,387.46875
50	36,774.9375
100	73,549.875
250	183,874.6875
500	367,749.375
1000	735,498.75

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Watt (W)

Power

Exact conversion

Derived from the watt (1 W = 1 J/s).

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

Horsepower (Metric) (PS)

Power

Exact conversion

Metric horsepower (PS) is exactly 75 kgf·m/s = 735.498 75 W.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

How to Convert Watt to Horsepower (Metric)

To convert from Watt (W) to Horsepower (Metric) (PS), multiply the value by 0.0013596216.

Formula: PS = W × 0.0013596216

Reverse: W = PS × 735.49875

Step-by-Step Example

Start with your value in Watt. For example: 5 W
Multiply by the conversion factor: 5 x 0.0013596216
The result is: 0.006798 PS

About Watt

The watt (W) is a unit of power. One watt equals 1 watt. UnitConvertLab converts it against every other power unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: power calculations, engineering and science, education.

About Horsepower (Metric)

The horsepower (metric) (PS) is a unit of power. One horsepower (metric) equals 735.49875 watts. UnitConvertLab converts it against every other power unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: power calculations, engineering and science, education.

Frequently Asked Questions

How many Horsepower (Metric) are in 1 Watt?

There are exactly 0.0013596216 Horsepower (Metric) in 1 Watt. This means the conversion factor from Watt to Horsepower (Metric) is 0.0013596216.

What is the formula to convert Watt to Horsepower (Metric)?

The formula to convert Watt to Horsepower (Metric) is: PS = W × 0.0013596216. For example, to convert 10 Watt to Horsepower (Metric), you would multiply 10 by 0.0013596216.

What is a Watt?