How to convert 138 kW to horsepower
One kilowatt equals 1.34102 mechanical horsepower. For 138 kW:
138 kW × 1.34102 = 185.1 hp
Rounded, a 138 kW motor is rated at about 185 hp. European brochures often quote metric horsepower instead: 188 PS.
138 kW in other units
| Metric horsepower (PS) | 187.63 PS |
| Mechanical horsepower (hp) | 185.06 hp |
| Watts | 138,000 W |
| BTU per hour | 470,875 BTU/h |
What torque does 138 kW give?
Power and torque are linked by engine speed: torque (lb-ft) = hp × 5,252 ÷ rpm, or torque (Nm) = kW × 9,549 ÷ rpm. If 138 kW is produced at these speeds:
| Engine speed | Torque |
|---|---|
| 1,500 rpm | 879 Nm (648 lb-ft) |
| 2,500 rpm | 527 Nm (389 lb-ft) |
| 3,500 rpm | 377 Nm (278 lb-ft) |
| 4,500 rpm | 293 Nm (216 lb-ft) |
| 5,500 rpm | 240 Nm (177 lb-ft) |
| 6,500 rpm | 203 Nm (150 lb-ft) |
Running at 138 kW
A motor or heater running at 138 kW for one hour uses 138 kWh. At $0.17 per kWh that costs about $23.46 per hour.
138 kW as a charging rate
An EV charging at 138 kW adds 42 kWh (10–80% of a 60 kWh battery) in about 31 min, including roughly 10% charging losses and a realistic 65% average power on a DC fast charger.
Is 138 kW a lot?
Found in powerful sedans, sporty trims and many electric cars.
Values around 138 kW
| kW | PS | hp |
|---|---|---|
| 134 kW | 182.19 PS | 179.70 hp |
| 135 kW | 183.55 PS | 181.04 hp |
| 136 kW | 184.91 PS | 182.38 hp |
| 137 kW | 186.27 PS | 183.72 hp |
| 138 kW | 187.63 PS | 185.06 hp |
| 139 kW | 188.99 PS | 186.40 hp |
| 140 kW | 190.35 PS | 187.74 hp |
| 141 kW | 191.71 PS | 189.08 hp |
| 142 kW | 193.07 PS | 190.43 hp |
Frequently asked questions
How many hp is 138 kW?
138 kW is 185.1 mechanical horsepower (185 hp rounded).
How many kW is 185 hp?
185 hp is 138.0 kW (hp × 0.7457).
How many PS is 138 kW?
138 kW is 187.63 metric horsepower (PS).
Is 138 kW a lot?
Found in powerful sedans, sporty trims and many electric cars.
Last updated November 10, 2026