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Electrical Calculators

Power Factor Calculator

Compute power factor from real and apparent power.

Inputs
Result
Power factor
0.8
Formula
PF = kW / kVA
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Formula

PF = kW / kVA

Worked example

80 / 100 = 0.80

FAQ

+Why correct PF?

To avoid utility penalties and free up transformer capacity.

Related calculators

kVA to kW Calculator
Convert apparent power (kVA) to real power (kW) using power factor.
Voltage Drop Calculator
Calculate cable voltage drop for single-phase or three-phase copper conductors.
Cable Sizing Calculator (by voltage drop)
Estimate minimum copper cable cross-section to keep voltage drop within limits.
Current Calculator (3-phase)
Calculate full-load current of a 3-phase motor.

Related reading

Conveyor Systems
How to Calculate Conveyor Capacity (t/h) — A Practical Guide
Electrical Engineering
kW vs HP Explained — and How to Convert Between Them
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In Electrical Calculators
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  • Cable Sizing Calculator (by voltage drop)
  • Power Factor Calculator
  • Current Calculator (3-phase)
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