Convert 25 Horsepower (Metric) (PS) to Joule/Second (J/s).

25 Horsepower (Metric) equals 18,387.46875 Joule/Second. Multiply 25 by 735.49875.

What is 25 Horsepower (Metric) in Joule/Second?

25 Horsepower (Metric) equals 18,387.46875 Joule/Second.

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

There are exactly 735.49875 Joule/Seconds in 1 Horsepower (Metric). This means the conversion factor from Horsepower (Metric) to Joule/Second is 735.49875.

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

The formula to convert Horsepower (Metric) to Joule/Second is: J/s = PS × 735.49875. For example, to convert 10 Horsepower (Metric)s to Joule/Seconds, you would multiply 10 by 735.49875.

What are the common uses of Horsepower (Metric)?

The Horsepower (Metric) is commonly used in power calculations, engineering and science, education.

What is 25 Horsepower (Metric) in Joule/Second?

To convert 25 Horsepower (Metric)s to Joule/Seconds, multiply by 735.49875. Therefore, 25 Horsepower (Metric) (PS) equals 18,387.46875 Joule/Second (J/s).

25 Horsepower (Metric) to Joule/Second

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

Step 1 — start with the formula. J/s = PS × 735.49875
Step 2 — substitute your figure. 25 PS × 735.49875
Step 3 — read the result. 25 PS = 18,387.46875 J/s
Step 4 — check it in reverse. PS = J/s × 0.0013596216 returns Invalid PS, which matches the figure you started with.

Power Converter

22 units available

Decimals:

From

To

18,387.46875

25 PS = 18,387.46875 J/s

Formula:

J/s = PS × 735.49875

With your value: 25 PS = 18,387.46875 J/s

How big is that?

Everyday references on a logarithmic scale, all expressed in horsepower (metric) so you can sanity-check the result.

LED bulb (1/2.0e+3 your value)0.0122 PS

Laptop (1/2.8e+2 your value)0.0884 PS

Microwave oven (1/18 your value)1.36 PS

Electric kettle (1/6.1 your value)4.08 PS

Your value25.0 PS

Family car engine (4.9× your value)122 PS

Other Horsepower (Metric) to Joule/Second conversions

18 PS to J/s 20 PS to J/s 21 PS to J/s 24 PS to J/s 26 PS to J/s 28 PS to J/s 30 PS to J/s Full Horsepower (Metric) to Joule/Second converter

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

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

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.

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

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

How to Convert Horsepower (Metric) to Joule/Second

To convert from Horsepower (Metric) (PS) to Joule/Second (J/s), multiply the value by 735.49875.

Formula: J/s = PS × 735.49875

Reverse: PS = J/s × 0.0013596216

Step-by-Step Example

Start with your value in Horsepower (Metric). For example: 5 PS
Multiply by the conversion factor: 5 x 735.49875
The result is: 3,677.49375 J/s

Horsepower (Metric) and Joule/Second Relationship

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

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.

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.

Frequently Asked Questions

What is 25 Horsepower (Metric) in Joule/Second?: 25 Horsepower (Metric) equals 18,387.46875 Joule/Second.
How many Joule/Seconds are in 1 Horsepower (Metric)?: There are exactly 735.49875 Joule/Seconds in 1 Horsepower (Metric). This means the conversion factor from Horsepower (Metric) to Joule/Second is 735.49875.
What is the formula to convert Horsepower (Metric) to Joule/Second?: The formula to convert Horsepower (Metric) to Joule/Second is: J/s = PS × 735.49875. For example, to convert 10 Horsepower (Metric)s to Joule/Seconds, you would multiply 10 by 735.49875.
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 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 are the common uses of Horsepower (Metric)?: The Horsepower (Metric) is commonly used in power calculations, engineering and science, education.