How to convert 43 kW to horsepower
One kilowatt equals 1.34102 mechanical horsepower. For 43 kW:
43 kW × 1.34102 = 57.7 hp
Rounded, a 43 kW motor is rated at about 58 hp. European brochures often quote metric horsepower instead: 58 PS.
43 kW in other units
| Metric horsepower (PS) | 58.46 PS |
| Mechanical horsepower (hp) | 57.66 hp |
| Watts | 43,000 W |
| BTU per hour | 146,722 BTU/h |
What torque does 43 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 43 kW is produced at these speeds:
| Engine speed | Torque |
|---|---|
| 1,500 rpm | 274 Nm (202 lb-ft) |
| 2,500 rpm | 164 Nm (121 lb-ft) |
| 3,500 rpm | 117 Nm (87 lb-ft) |
| 4,500 rpm | 91 Nm (67 lb-ft) |
| 5,500 rpm | 75 Nm (55 lb-ft) |
| 6,500 rpm | 63 Nm (47 lb-ft) |
Running at 43 kW
A motor or heater running at 43 kW for one hour uses 43 kWh. At $0.17 per kWh that costs about $7.31 per hour.
43 kW as a charging rate
An EV charging at 43 kW adds 42 kWh (10–80% of a 60 kWh battery) in about 1 h 39 min, including roughly 10% charging losses and a realistic 65% average power on a DC fast charger.
Is 43 kW a lot?
Typical of small city cars with an entry-level engine – fine around town, slow on the highway.
Values around 43 kW
| kW | PS | hp |
|---|---|---|
| 39 kW | 53.03 PS | 52.30 hp |
| 40 kW | 54.38 PS | 53.64 hp |
| 41 kW | 55.74 PS | 54.98 hp |
| 42 kW | 57.10 PS | 56.32 hp |
| 43 kW | 58.46 PS | 57.66 hp |
| 44 kW | 59.82 PS | 59.00 hp |
| 45 kW | 61.18 PS | 60.35 hp |
| 46 kW | 62.54 PS | 61.69 hp |
| 47 kW | 63.90 PS | 63.03 hp |
Frequently asked questions
How many hp is 43 kW?
43 kW is 57.7 mechanical horsepower (58 hp rounded).
How many kW is 58 hp?
58 hp is 43.3 kW (hp × 0.7457).
How many PS is 43 kW?
43 kW is 58.46 metric horsepower (PS).
Is 43 kW a lot?
Typical of small city cars with an entry-level engine – fine around town, slow on the highway.
Last updated November 10, 2026