# AC Transmission Line Real Power Calculator

getcalc.com's **Power Factor Calculator** is an online electrical engineering tool to calculate the ratio between the real or true power consumed by the load to apparent power of AC transmission lines or circuits.

## Definition & Formula

**Power Factor** is a dimensionless number represents the ratio between real or true power consumed by the load to apparent power of AC transmission lines or circuits. Apparent power is a product of voltage & current in AC circuit. Real power is an apparent power minus losses (reactance).

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