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Convert Calc

Horsepower to Kilowatts Converter

Enter a value to instantly convert between power units.

Precision4 dp

1 Horsepower (mech) = 0.7457 Kilowatt

Key Formulas

Kilowatt → Horsepower (mech)

hp = kW × 1.34102

Horsepower (mech) → Kilowatt

kW = hp × 0.7457

Watt → Kilowatt

kW = W × 0.001

Kilowatt → Watt

W = kW × 1000

Formula

kW = hp × 0.7457

One mechanical horsepower equals 0.7457 kilowatts. Since 1 hp = 745.7 W, this is 0.7457 kW. Used for motors, vehicles, and comparing power across systems.

Source: NIST SP 811

Frequently Asked Questions

Real-World Examples

100 hp equals 74.57 kW.

100 hp = 74.57 kW

200 hp equals 149.14 kW.

200 hp = 149.14 kW

50 hp equals 37.3 kW.

50 hp = 37.285 kW

1 hp equals 0.746 kW.

1 hp = 0.7457 kW