Horsepower (mechanical)

Scope and distinctions

Mechanical horsepower convention. bhp describes a measurement location, not a separate exact unit; electrical, boiler and metric horsepower differ.

Available operations

UUCE executable Preview · Use cx:hp_mech with a compatible unit and a pinned snapshot.

No legacy converter is linked for this definition.

Verification scope

UUCE conversion capability

units.convert version 0.1.1 · VERIFIED

Production binding at publication

CURRENT

The definition lifecycle describes this registry entry. CVP status describes the conversion capability and the cases and rejection partitions in its Manifest. CVP Manifest · Public replay cases

Candidate is a registry lifecycle state. It is not a completed review or CVP verification.

Definition sources

• NIST — NIST Guide to the SI, Appendix B.8

  SP 811 online conversion table accessed 2026-10-28

  Appendix B.8: mechanical horsepower = 550 ft·lbf/s; derived using exact international foot, pound and standard gravity

  Source checked: 2026-10-29

  Exact definition is distinguished from rounded table entries; no media copied.