Convert 3 Joule/Second (J/s) to Horsepower (Metric) (PS).

3 Joule/Second equals 0.004079 Horsepower (Metric). Multiply 3 by 0.0013596216.

What is 3 Joule/Second in Horsepower (Metric)?

3 Joule/Second equals 0.004079 Horsepower (Metric).

How many Horsepower (Metric)s are in 1 Joule/Second?

There are exactly 0.0013596216 Horsepower (Metric)s in 1 Joule/Second. This means the conversion factor from Joule/Second to Horsepower (Metric) is 0.0013596216.

What is the formula to convert Joule/Second to Horsepower (Metric)?

The formula to convert Joule/Second to Horsepower (Metric) is: PS = J/s × 0.0013596216. For example, to convert 10 Joule/Seconds to Horsepower (Metric)s, you would multiply 10 by 0.0013596216.

What are the common uses of Joule/Second?

The Joule/Second is commonly used in power calculations, engineering and science, education.

What is 3 Joule/Second in Horsepower (Metric)?

To convert 3 Joule/Seconds to Horsepower (Metric)s, multiply by 0.0013596216. Therefore, 3 Joule/Second (J/s) equals 0.004079 Horsepower (Metric) (PS).

3 Joule/Second to Horsepower (Metric)

Worked example: converting Joule/Second to Horsepower (Metric)

Step 1 — start with the formula. PS = J/s × 0.0013596216
Step 2 — substitute your figure. 3 J/s × 0.0013596216
Step 3 — read the result. 3 J/s = 0.004079 PS
Step 4 — check it in reverse. J/s = PS × 735.49875 returns 3.0001 J/s, which matches the figure you started with.

Power Converter

22 units available

Decimals:

From

To

0.004079

3 J/s = 0.004079 PS

Formula:

PS = J/s × 0.0013596216

With your value: 3 J/s = 0.00407886 PS

How big is that?

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

Your value3.00 J/s

LED bulb (3.0× your value)9.00 J/s

Laptop (22× your value)65.0 J/s

Microwave oven (3.3e+2× your value)1.00e+3 J/s

Electric kettle (1.0e+3× your value)3.00e+3 J/s

Family car engine (3.0e+4× your value)9.00e+4 J/s

Other Joule/Second to Horsepower (Metric) conversions

1 J/s to PS 2 J/s to PS 4 J/s to PS 5 J/s to PS 6 J/s to PS 7 J/s to PS 8 J/s to PS Full Joule/Second to Horsepower (Metric) converter

Joule/Second to Horsepower (Metric) Conversion Table

Joule/Second (J/s)	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 Joule/Second Conversion Table

Horsepower (Metric) (PS)	Joule/Second (J/s)
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.

Joule/Second (J/s)

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 Joule/Second to Horsepower (Metric)

To convert from Joule/Second (J/s) to Horsepower (Metric) (PS), multiply the value by 0.0013596216.

Formula: PS = J/s × 0.0013596216

Reverse: J/s = PS × 735.49875

Step-by-Step Example

Start with your value in Joule/Second. For example: 5 J/s
Multiply by the conversion factor: 5 x 0.0013596216
The result is: 0.006798 PS

Joule/Second and Horsepower (Metric) Relationship

This calculation facilitates standardized conversion between recognized units of power. Since 1 Joule/Second represents a fraction of a Horsepower (Metric) (1 Horsepower (Metric) ≈ 735.4988 Joule/Seconds), the Horsepower (Metric) is the larger measurement interval. Understanding the relationship between Joule/Second and Horsepower (Metric) is essential for accurate calculations in physics, engineering, commerce, and daily applications.

About Joule/Second

The Joule/Second (symbol: J/s) is a recognized unit in the Metric (SI) measurement framework, utilized within power applications for precision and standardized data representation.

Common uses of Joule/Second: power calculations, engineering and science, education.

About Horsepower (Metric)

The Horsepower (Metric) (symbol: PS) is a recognized unit in the Standard measurement framework, utilized within power applications for precision and standardized data representation.

Common uses of Horsepower (Metric): power calculations, engineering and science, education.

Frequently Asked Questions

What is 3 Joule/Second in Horsepower (Metric)?: 3 Joule/Second equals 0.004079 Horsepower (Metric).
How many Horsepower (Metric)s are in 1 Joule/Second?: There are exactly 0.0013596216 Horsepower (Metric)s in 1 Joule/Second. This means the conversion factor from Joule/Second to Horsepower (Metric) is 0.0013596216.
What is the formula to convert Joule/Second to Horsepower (Metric)?: The formula to convert Joule/Second to Horsepower (Metric) is: PS = J/s × 0.0013596216. For example, to convert 10 Joule/Seconds to Horsepower (Metric)s, you would multiply 10 by 0.0013596216.
What is a Joule/Second?: The Joule/Second (symbol: J/s) is a recognized unit in the Metric (SI) measurement framework, utilized within power applications for precision and standardized data representation.
What is a Horsepower (Metric)?: The Horsepower (Metric) (symbol: PS) is a recognized unit in the Standard measurement framework, utilized within power applications for precision and standardized data representation.
What are the common uses of Joule/Second?: The Joule/Second is commonly used in power calculations, engineering and science, education.