Convert mechanical horsepower (hp) to kilowatts (kW).
Power converter
Instant conversion
Edit either value. Decimals and scientific notation supported.
1
hp
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WattW
KilowattkW
MegawattMW
Mechanical horsepowerhp
Metric horsepowerPS
BTU (IT) per hourBTU/h
No units found. Try a name or symbol.
0.7456998716
kW
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WattW
KilowattkW
MegawattMW
Mechanical horsepowerhp
Metric horsepowerPS
BTU (IT) per hourBTU/h
No units found. Try a name or symbol.
CONVERSION
1 hp ≈ 0.7456998716 kW
6 significant figures
10 significant figures
15 significant figures
Precision changes displayed rounding, not calculation accuracy.
FORMULAkW = hp × 0.74569987158227
FORMULA & EXAMPLES
How to convert Mechanical horsepower to kilowatts
kW = hp × 0.74569987158227
Multiply the hp reading by 0.74569987158227.
Worked examples
1 hp ≈ 0.7456998716 kW
1 × 0.74569987158227 ≈ 0.7456998716
100 hp ≈ 74.56998716 kW
100 × 0.74569987158227 ≈ 74.56998716
Frequently asked questions
Which horsepower definition is used?
Mechanical hp = 550 foot-pounds-force per second. Metric PS = 75 kilogram-force metres per second.
Mechanical horsepower to kilowatts table
Fixed reference · Mechanical horsepower to Kilowatt
Reference values use this page’s named pair and default context. Calculator precision and font settings do not change this table.
Mechanical horsepower (hp)
Kilowatt (kW)
0
0
0.1
0.07456998716
0.5
0.3728499358
1
0.7456998716
2
1.491399743
5
3.728499358
10
7.456998716
25
18.64249679
50
37.28499358
100
74.56998716
1000
745.6998716
Table results use 10 significant figures; decimal formula coefficients use up to 15. Calculations use the unit definitions before rounding. Extra digits do not improve measurement accuracy.