Convert Horsepower (Metric) to Horsepower (Electrical)
Unit definitions
Horsepower (Metric)
The metric horsepower is defined as the ability to raise one kilogram by a meter within a second ($1\ \text{PS} \approx 735.499\ \text{W}$). An engine's power is commonly measured using brake horsepower. The brake horsepower is the engine's true output power (in horsepower) before any losses in the gearbox and other components. The horsepower in bhp refers to either metric horsepower or imperial horsepower depending on the vehicle manufacturer.
Horsepower (Electrical)
The electrical horsepower is defined as exactly $746$ watts. It is used to measure the power output of electric motors and generators.
How to convert Horsepower (Metric) to Horsepower (Electrical)
$$\text{Power}_{\text{hpE}} = \text{Power}_{\text{PS}} \cdot 0.9859232573726541554959785522788204$$
Examples
Example 1
Convert $25.0\ \text{PS}$ to $\text{hpE}$.
$$\text{Power}_{\text{hpE}} = 25.0 \cdot 0.9859232573726541554959785522788204$$
$$\text{Power}_{\text{hpE}} = 24.648081$$
$$\therefore \ 25.0\ \text{PS} = 24.648081 \ \text{hpE}$$
Example 2
Convert $90.0\ \text{PS}$ to $\text{hpE}$.
$$\text{Power}_{\text{hpE}} = 90.0 \cdot 0.9859232573726541554959785522788204$$
$$\text{Power}_{\text{hpE}} = 88.733093$$
$$\therefore \ 90.0\ \text{PS} = 88.733093 \ \text{hpE}$$
Example 3
Convert $120.0\ \text{PS}$ to $\text{hpE}$.
$$\text{Power}_{\text{hpE}} = 120.0 \cdot 0.9859232573726541554959785522788204$$
$$\text{Power}_{\text{hpE}} = 118.310791$$
$$\therefore \ 120.0\ \text{PS} = 118.310791 \ \text{hpE}$$
Example 4
Convert $140.0\ \text{PS}$ to $\text{hpE}$.
$$\text{Power}_{\text{hpE}} = 140.0 \cdot 0.9859232573726541554959785522788204$$
$$\text{Power}_{\text{hpE}} = 138.029256$$
$$\therefore \ 140.0\ \text{PS} = 138.029256 \ \text{hpE}$$
Example 5
Convert $180.0\ \text{PS}$ to $\text{hpE}$.
$$\text{Power}_{\text{hpE}} = 180.0 \cdot 0.9859232573726541554959785522788204$$
$$\text{Power}_{\text{hpE}} = 177.466186$$
$$\therefore \ 180.0\ \text{PS} = 177.466186 \ \text{hpE}$$