What is the advantage of three-phase power?

More efficient power transmission, smaller wires for same power, smoother motor operation.

What's the relationship between volts, amps, and watts?

Power (Watts) = Voltage (Volts) × Current (Amps). To find any value, divide or multiply: Amps = Watts/Volts, Volts = Watts/Amps.

Is AWG or metric wire gauge better?

AWG (American Wire Gauge) uses arbitrary numbers where smaller = thicker. Metric (mm²) directly indicates cross-sectional area, making calculations easier.

Three Phase Calculator - Free Online Tool

Convert electrical units with this free three phase calculator.

Essential for electronics and electrical engineering.

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Frequently Asked Questions

Common questions about the Three Phase Calculator - Free Online Tool

P = √3 × V_line × I_line × PF. For 480V, 100A, PF=0.85: P = 1.732 × 480 × 100 × 0.85 = 70.6 kW.

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Sources & References

International System of Units (SI): electric current, voltage and resistance

Electric current, voltage and resistance is measured in the ampere (A), volt (V) and ohm (Ω). Conversions between SI and other units use exact, internationally agreed factors maintained by NIST.

→Source: NIST — International System of Units (SI)

International System of Units (SI)

Authoritative definitions for electric current, voltage and resistance, from the BIPM SI Brochure (9th edition), the defining reference for the SI.

→Source: BIPM — SI Brochure (9th ed.)

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