Convertools

Voltage Drop Calculator

Estimate circuit voltage drop from gauge, distance, load current, system voltage, and phase.

8 AWG, 100 ft, 20 A, 240 V (single-phase) =

3.11 V (1.3%)

Representative value from the Voltage Drop Calculator reference table.

Predefined Value Pages

This conversion has 90 predefined value pages for programmatic SEO coverage.

Browse all predefined value pages · View full HTML sitemap

Voltage Drop Calculator

Choose gauge and circuit parameters to estimate voltage drop and drop percentage.

Calculated Voltage Drop

—

Reference Table

Use this complete table for quick lookup and internal linking to specific value pages.

Voltage Drop Calculator Reference
ScenarioVoltage DropPercent Drop
12 AWG, 50 ft, 15 A, 120 V (single-phase)2.97 V (2.48%)2.48%
12 AWG, 50 ft, 15 A, 240 V (single-phase)2.97 V (1.24%)1.24%
12 AWG, 50 ft, 20 A, 120 V (single-phase)3.96 V (3.3%)3.3%
12 AWG, 50 ft, 20 A, 240 V (single-phase)3.96 V (1.65%)1.65%
12 AWG, 50 ft, 30 A, 120 V (single-phase)5.94 V (4.95%)4.95%
12 AWG, 50 ft, 30 A, 240 V (single-phase)5.94 V (2.48%)2.48%
12 AWG, 100 ft, 15 A, 120 V (single-phase)5.94 V (4.95%)4.95%
12 AWG, 100 ft, 15 A, 240 V (single-phase)5.94 V (2.48%)2.48%
12 AWG, 100 ft, 20 A, 120 V (single-phase)7.92 V (6.6%)6.6%
12 AWG, 100 ft, 20 A, 240 V (single-phase)7.92 V (3.3%)3.3%
12 AWG, 100 ft, 30 A, 120 V (single-phase)11.88 V (9.9%)9.9%
12 AWG, 100 ft, 30 A, 240 V (single-phase)11.88 V (4.95%)4.95%
12 AWG, 150 ft, 15 A, 120 V (single-phase)8.91 V (7.43%)7.43%
12 AWG, 150 ft, 15 A, 240 V (single-phase)8.91 V (3.71%)3.71%
12 AWG, 150 ft, 20 A, 120 V (single-phase)11.88 V (9.9%)9.9%
12 AWG, 150 ft, 20 A, 240 V (single-phase)11.88 V (4.95%)4.95%
12 AWG, 150 ft, 30 A, 120 V (single-phase)17.82 V (14.85%)14.85%
12 AWG, 150 ft, 30 A, 240 V (single-phase)17.82 V (7.43%)7.43%
10 AWG, 50 ft, 15 A, 120 V (single-phase)1.86 V (1.55%)1.55%
10 AWG, 50 ft, 15 A, 240 V (single-phase)1.86 V (0.78%)0.78%
10 AWG, 50 ft, 20 A, 120 V (single-phase)2.48 V (2.07%)2.07%
10 AWG, 50 ft, 20 A, 240 V (single-phase)2.48 V (1.03%)1.03%
10 AWG, 50 ft, 30 A, 120 V (single-phase)3.72 V (3.1%)3.1%
10 AWG, 50 ft, 30 A, 240 V (single-phase)3.72 V (1.55%)1.55%
10 AWG, 100 ft, 15 A, 120 V (single-phase)3.72 V (3.1%)3.1%
10 AWG, 100 ft, 15 A, 240 V (single-phase)3.72 V (1.55%)1.55%
10 AWG, 100 ft, 20 A, 120 V (single-phase)4.96 V (4.13%)4.13%
10 AWG, 100 ft, 20 A, 240 V (single-phase)4.96 V (2.07%)2.07%
10 AWG, 100 ft, 30 A, 120 V (single-phase)7.44 V (6.2%)6.2%
10 AWG, 100 ft, 30 A, 240 V (single-phase)7.44 V (3.1%)3.1%
10 AWG, 150 ft, 15 A, 120 V (single-phase)5.58 V (4.65%)4.65%
10 AWG, 150 ft, 15 A, 240 V (single-phase)5.58 V (2.33%)2.33%
10 AWG, 150 ft, 20 A, 120 V (single-phase)7.44 V (6.2%)6.2%
10 AWG, 150 ft, 20 A, 240 V (single-phase)7.44 V (3.1%)3.1%
10 AWG, 150 ft, 30 A, 120 V (single-phase)11.16 V (9.3%)9.3%
10 AWG, 150 ft, 30 A, 240 V (single-phase)11.16 V (4.65%)4.65%
8 AWG, 50 ft, 15 A, 120 V (single-phase)1.17 V (0.97%)0.97%
8 AWG, 50 ft, 15 A, 240 V (single-phase)1.17 V (0.49%)0.49%
8 AWG, 50 ft, 20 A, 120 V (single-phase)1.56 V (1.3%)1.3%
8 AWG, 50 ft, 20 A, 240 V (single-phase)1.56 V (0.65%)0.65%
8 AWG, 50 ft, 30 A, 120 V (single-phase)2.33 V (1.95%)1.95%
8 AWG, 50 ft, 30 A, 240 V (single-phase)2.33 V (0.97%)0.97%
8 AWG, 100 ft, 15 A, 120 V (single-phase)2.33 V (1.95%)1.95%
8 AWG, 100 ft, 15 A, 240 V (single-phase)2.33 V (0.97%)0.97%
8 AWG, 100 ft, 20 A, 120 V (single-phase)3.11 V (2.59%)2.59%
8 AWG, 100 ft, 20 A, 240 V (single-phase)3.11 V (1.3%)1.3%
8 AWG, 100 ft, 30 A, 120 V (single-phase)4.67 V (3.89%)3.89%
8 AWG, 100 ft, 30 A, 240 V (single-phase)4.67 V (1.95%)1.95%
8 AWG, 150 ft, 15 A, 120 V (single-phase)3.5 V (2.92%)2.92%
8 AWG, 150 ft, 15 A, 240 V (single-phase)3.5 V (1.46%)1.46%
8 AWG, 150 ft, 20 A, 120 V (single-phase)4.67 V (3.89%)3.89%
8 AWG, 150 ft, 20 A, 240 V (single-phase)4.67 V (1.95%)1.95%
8 AWG, 150 ft, 30 A, 120 V (single-phase)7 V (5.84%)5.84%
8 AWG, 150 ft, 30 A, 240 V (single-phase)7 V (2.92%)2.92%
6 AWG, 50 ft, 15 A, 120 V (single-phase)0.74 V (0.61%)0.61%
6 AWG, 50 ft, 15 A, 240 V (single-phase)0.74 V (0.31%)0.31%
6 AWG, 50 ft, 20 A, 120 V (single-phase)0.98 V (0.82%)0.82%
6 AWG, 50 ft, 20 A, 240 V (single-phase)0.98 V (0.41%)0.41%
6 AWG, 50 ft, 30 A, 120 V (single-phase)1.47 V (1.23%)1.23%
6 AWG, 50 ft, 30 A, 240 V (single-phase)1.47 V (0.61%)0.61%
6 AWG, 100 ft, 15 A, 120 V (single-phase)1.47 V (1.23%)1.23%
6 AWG, 100 ft, 15 A, 240 V (single-phase)1.47 V (0.61%)0.61%
6 AWG, 100 ft, 20 A, 120 V (single-phase)1.96 V (1.64%)1.64%
6 AWG, 100 ft, 20 A, 240 V (single-phase)1.96 V (0.82%)0.82%
6 AWG, 100 ft, 30 A, 120 V (single-phase)2.95 V (2.46%)2.46%
6 AWG, 100 ft, 30 A, 240 V (single-phase)2.95 V (1.23%)1.23%
6 AWG, 150 ft, 15 A, 120 V (single-phase)2.21 V (1.84%)1.84%
6 AWG, 150 ft, 15 A, 240 V (single-phase)2.21 V (0.92%)0.92%
6 AWG, 150 ft, 20 A, 120 V (single-phase)2.95 V (2.46%)2.46%
6 AWG, 150 ft, 20 A, 240 V (single-phase)2.95 V (1.23%)1.23%
6 AWG, 150 ft, 30 A, 120 V (single-phase)4.42 V (3.68%)3.68%
6 AWG, 150 ft, 30 A, 240 V (single-phase)4.42 V (1.84%)1.84%
4 AWG, 50 ft, 15 A, 120 V (single-phase)0.46 V (0.39%)0.39%
4 AWG, 50 ft, 15 A, 240 V (single-phase)0.46 V (0.19%)0.19%
4 AWG, 50 ft, 20 A, 120 V (single-phase)0.62 V (0.51%)0.51%
4 AWG, 50 ft, 20 A, 240 V (single-phase)0.62 V (0.26%)0.26%
4 AWG, 50 ft, 30 A, 120 V (single-phase)0.92 V (0.77%)0.77%
4 AWG, 50 ft, 30 A, 240 V (single-phase)0.92 V (0.39%)0.39%
4 AWG, 100 ft, 15 A, 120 V (single-phase)0.92 V (0.77%)0.77%
4 AWG, 100 ft, 15 A, 240 V (single-phase)0.92 V (0.39%)0.39%
4 AWG, 100 ft, 20 A, 120 V (single-phase)1.23 V (1.03%)1.03%
4 AWG, 100 ft, 20 A, 240 V (single-phase)1.23 V (0.51%)0.51%
4 AWG, 100 ft, 30 A, 120 V (single-phase)1.85 V (1.54%)1.54%
4 AWG, 100 ft, 30 A, 240 V (single-phase)1.85 V (0.77%)0.77%
4 AWG, 150 ft, 15 A, 120 V (single-phase)1.39 V (1.16%)1.16%
4 AWG, 150 ft, 15 A, 240 V (single-phase)1.39 V (0.58%)0.58%
4 AWG, 150 ft, 20 A, 120 V (single-phase)1.85 V (1.54%)1.54%
4 AWG, 150 ft, 20 A, 240 V (single-phase)1.85 V (0.77%)0.77%
4 AWG, 150 ft, 30 A, 120 V (single-phase)2.77 V (2.31%)2.31%
4 AWG, 150 ft, 30 A, 240 V (single-phase)2.77 V (1.16%)1.16%
No previous value No next value

Related Conversions