kVA ToolsBETA
— Voltage Drop
Calculator
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Inputs
| Select Calculation Method | Impedance (R–X) Method | |
| NEC (K·I·L/CM) Method | ||
| Common Parameters | Conductor Material | |
| Conductor Size | ||
| Length (one way) |
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| Supply Type | ||
| Temperature |
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| Supply Voltage (V) |
For Three-Phase (3Ø) systems, enter line-to-line voltage Eg. 480 V not 277 V. |
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| Load Current (A) |
| Impedance Method Parameters | Resistance |
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| Reactance |
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| Cable Type | ||
| Grouping | ||
| Conduit Material | ||
| Power Factor |
For the Impedence Method, when R, Resistance (Ω) and X, Reactance (Ω) are left at 0, Impedence is estimated using simplified assumptions. For higher accuracy, populate measured or tabulated R and X values from manufacturer data sheets or IEEE Std 141 Tables 4A-7, 4A-8.
Output — Results
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage | — | V |
| Receiving End Voltage | — | V |
| Voltage Drop | — | V |
| Voltage Drop % | — | % |