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mechanical horsepower (hp)

mechanical horsepower as a conversion hub: 5 direct pairs, all with the exact factor on the page.

Definition1 hp = 745.7 W exactly
CategoryPower Converter
Pairs from here5

Power Converter

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mechanical horsepower converted to every other unit

hpWkWMWPSBTU/h
1 hp745.70.745699870.00074569991.013872,544.43
2 hp1,491.41.49140.00149139972.0277395,088.87
5 hp3,728.53.7284990.00372849945.06934812,722.17
10 hp7,4577.4569990.007456998710.13869725,444.34
20 hp14,91414.9139970.01491420.27739350,888.67
50 hp37,284.9937.2849940.0372849950.693483127,221.68
100 hp74,569.9974.5699870.07456999101.387254,443.36

All conversions starting from hp

hp to Whp to kWhp to MWhp to PShp to BTU/h

Questions

How do I convert from mechanical horsepower?
Pick the target unit from the table on this page, or open the dedicated pair page — each one carries a converter, a table of common values and the exact factor.
Is mechanical horsepower exact or approximate?
The factor shown (1 hp = 745.7 W) is fixed by definition, so conversions are exact rather than measured.
What is mechanical horsepower used for?
mechanical horsepower as used in practical measurements