Edit either value. Decimals and scientific notation supported.
1
W
esc
WattW
KilowattkW
MegawattMW
Mechanical horsepowerhp
Metric horsepowerPS
BTU (IT) per hourBTU/h
No units found. Try a name or symbol.
0.001359621617
PS
esc
WattW
KilowattkW
MegawattMW
Mechanical horsepowerhp
Metric horsepowerPS
BTU (IT) per hourBTU/h
No units found. Try a name or symbol.
CONVERSION
1 W ≈ 0.001359621617 PS
6 significant figures
10 significant figures
15 significant figures
Precision changes displayed rounding, not calculation accuracy.
FORMULAPS = W × 0.0013596216173039
FORMULA & EXAMPLES
How to convert Watts to metric horsepower
PS = W × 0.0013596216173039
Multiply the W reading by 0.0013596216173039.
Worked examples
1 W ≈ 0.001359621617 PS
1 × 0.0013596216173039 ≈ 0.001359621617
1000 W ≈ 1.359621617 PS
1000 × 0.0013596216173039 ≈ 1.359621617
Frequently asked questions
Which horsepower definition is used?
Mechanical hp = 550 foot-pounds-force per second. Metric PS = 75 kilogram-force metres per second.
Watts to metric horsepower table
Fixed reference · Watt to Metric horsepower
Reference values use this page’s named pair and default context. Calculator precision and font settings do not change this table.
Watt (W)
Metric horsepower (PS)
0
0
0.1
0.0001359621617
0.5
0.0006798108087
1
0.001359621617
2
0.002719243235
5
0.006798108087
10
0.01359621617
25
0.03399054043
50
0.06798108087
100
0.1359621617
1000
1.359621617
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.