Voltage Drop Calculator
Select Voltage & Phase
120V 1-phase
240V 1-phase
208V 3-phase 3-wire
120/208V 3-phase 4-wire
277V 1-phase
480V 3-phase
277/480V 3-phase 4-wire
24 DC or 1-phase AC
48 DC or 1-phase AC
Select Wire Size
18 AWG
16 AWG
14 AWG
12 AWG
10 AWG
8 AWG
6 AWG
4 AWG
3 AWG
2 AWG
1 AWG
1/0 AWG
2/0 AWG
3/0 AWG
4/0 AWG
250 kcmil
300 kcmil
350 kcmil
400 kcmil
500 kcmil
600 kcmil
700 kcmil
750 kcmil
800 kcmil
900 kcmil
1000 kcmil
1250 kcmil
1500 kcmil
1750 kcmil
2000 kcmil
Select Wire Type
Copper
Aluminum
Enter 1-way length in feet
Enter Load Amperes
Calculate
Clear Form
Voltage Drop
Voltage at load end of circuit
Percent Voltage Drop
CMA of Conductor
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