kVA Calculator
Find the amperage or kVA for your application based on parameters you know. You must choose the number of phases and give at least two (2) of the three (3) parameters of the equation to get a result.
Table values given in amps:

Single Phase:

Line Voltage (V)
kVA 120 240 480 600 2400 4160
3 25 12.5 6.25 5 1.25 0.72
5 41.7 20.8 10.4 8.33 2.08 1.2
7.5 62.5 31.3 15.6 12.5 3.13 1.8
10 83.3 41.7 20.8 16.7 4.17 2.4
15 125 62.5 31.3 25 6.25 3.61
25 208 104 52.1 41.7 10.4 6.01
37.5 313 156 78.1 62.5 15.6 9.01
50 417 208 104 83.3 20.8 12
75 625 313 156 125 31.3 18
100 833 417 208 167 41.7 24
150 1250 625 313 250 62.5 36.1
200 1667 833 417 333 83.3 48.1
250 2083 1042 521 417 104 60.1
333 2775 1388 694 555 139 80

Three Phase:

Line Voltage (V)
kVA 208 240 480 600 2400 4160
6 16.7 14.4 7.22 5.77 1.44 0.83
10 27.8 24.1 12 9.62 2.41 1.39
15 41.6 36.1 18 14.4 3.61 2.08
30 83.3 72.2 36.1 28.9 7.22 4.16
45 125 108 54.1 43.3 10.8 6.25
50 139 120 60.1 48.1 12 6.94
75 208 180 90.2 72.2 18 10.4
112.5 312 271 135 108 27.1 15.6
150 416 361 180 144 36.1 20.8
225 625 541 271 217 54.1 31.2
300 833 722 361 289 72.2 41.6
450 1249 1083 541 433 108 62.5
500 1388 1203 601 481 120 69.4
600 1665 1443 722 577 144 83.3
750 2082 1804 902 722 180 104
1000 2776 2406 1203 962 241 139
1500 4164 3608 1804 1443 361 208
2000 5552 4811 2406 1925 481 278
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