Wire Gauge and Current Limit Table

AWG gauge

Diameter Inches

Diameter mm

Ohms per 1000 ft

Ohms per km

Maximum amps for chassis wiring

Maximum amps for power transmission

0

0.325

8.2525

0.098

0.3224

245

150

1

0.289

7.3482

0.124

0.4064

211

119

4

0.204

5.1892

0.249

0.8151

135

60

6

0.162

4.1148

0.395

1.2959

101

37

8

0.129

3.2639

0.628

2.0605

73

24

10

0.102

2.5883

0.999

3.2764

55

15

12

0.081

2.0523

1.588

5.2086

41

9.3

14

0.064

1.6281

2.525

8.2820

32

5.9

16

0.051

1.2903

4.016

13.1725

22

3.7

18

0.040

1.0236

6.385

20.9428

16

2.3

20

0.032

0.8128

10.150

33.2920

11

1.5

22

0.025

0.6452

16.140

52.9392

7

0.92

24

0.020

0.5105

25.670

84.1976

3.5

0.577

26

0.016

0.4039

40.810

133.8568

2.2

0.361

28

0.013

0.3201

64.900

212.8720

1.4

0.226

30

0.010

0.2540

103.200    

338.4960

0.86

0.142