Motor Load & Efficiency Calculator

Evaluate motor efficiency, calculate input/output power, or estimate load percentage from measured running current. Essential for energy audits.

Motor Load & Efficiency

Solve For

Output (Shaft) Power (kW)

Motor Efficiency (%)

Input Power (kW)

Measured Current (A)

Rated Full Load Current – FLC (A)

Input Power Required16.30 kW

Input Power (kW):16.30 kW

Output Power (kW):15.00 kW

Efficiency (%):92.0%

Power Losses (kW):1.30 kW

Motor Load %:—

FormulaP_in = P_out / η