Single Band Dipole Antenna Dimensions

Total lengths are shown.
(Divide by 2 for each side’s length then add some extra inches to allow for final adjustments)
Band Freq (Mhz) 1/8 λ 1/4 λ 1/2 λ 5/8 λ 1 λ Inv. V
1/2 λ
160 m 1.800 65′ 5" 130′ 10" 260′ 8" 325′ 1" 520′ 4" 257′ 5"
1.850 63′ 3" 126′ 6" 252′ 0" 316′ 4" 505′ 1" 250′ 10"
1.900 61′ 1" 123′ 3" 246′ 6" 307′ 7" 492′ 0" 243′ 3"
2.000 58′ 10" 117′ 9" 234′ 6" 292′ 4" 468′ 0" 231′ 3"
80 m 3.500 33′ 9" 66′ 6" 133′ 1" 167′ 11" 267′ 3" 132′ 0"
3.750 31′ 7" 62′ 2" 124′ 4" 156′ 0" 249′ 9" 123′ 3"
3.900 30′ 6" 60′ 0" 120′ 0" 150′ 6" 240′ 0" 118′ 10"
4.000 29′ 5" 58′ 10" 117′ 9" 146′ 2" 234′ 6" 115′ 7"
40 m 7.000 16′ 4" 33′ 9" 66′ 6" 83′ 11" 133′ 1" 66′ 6"
7.150 16′ 4" 32′ 8" 65′ 5" 81′ 9" 130′ 10" 64′ 4"
7.300 16′ 4" 32′ 8" 64′ 4" 80′ 8" 128′ 8" 63′ 3"
30 m 10.100 11′ 11" 23′ 11" 46′ 10" 57′ 9" 92′ 8" 45′ 9"
10.150 11′ 11" 23′ 11" 46′ 10" 57′ 9" 92′ 8" 45′ 9"
20 m 14.000 8′ 8" 16′ 4" 33′ 9" 41′ 5" 66′ 6" 33′ 9"
14.150 8′ 8" 16′ 4" 33′ 9" 41′ 5" 66′ 6" 32′ 8"
14.300 8′ 8" 16′ 4" 32′ 8" 40′ 4" 65′ 5" 32′ 8"
14.350 8′ 8" 16′ 4" 32′ 8" 40′ 4" 65′ 5" 32′ 8"
17 m 18.068 6′ 6" 12′ 0" 25′ 1" 32′ 8" 51′ 3" 25′ 1"
18.168 6′ 6" 12′ 0" 25′ 1" 32′ 8" 51′ 3" 25′ 1"
15 m 21.000 5′ 5" 11′ 11" 22′ 10" 27′ 3" 44′ 8" 22′ 10"
21.200 5′ 5" 11′ 11" 22′ 10" 27′ 3" 44′ 8" 21′ 9"
21.450 5′ 5" 10′ 10" 21′ 9" 27′ 3" 43′ 7" 21′ 9"
12 m 24.890 4′ 4" 9′ 9" 18′ 6" 23′ 11" 37′ 1" 18′ 6"
24.990 4′ 4" 9′ 9" 18′ 6" 23′ 11" 37′ 1" 18′ 6"
10 m 28.000 4′ 4" 8′ 8" 16′ 4" 20′ 8" 33′ 9" 16′ 4"
28.500 4′ 4" 8′ 8" 16′ 4" 20′ 8" 32′ 8" 16′ 4"
29.700 3′ 3" 7′ 7" 15′ 3" 19′ 7" 31′ 7" 15′ 3"
6 m 50.000 2′ 2" 4′ 4" 9′ 9" 11′ 11" 18′ 6" 9′ 9"
54.000 2′ 2" 4′ 4" 8′ 8" 10′ 10" 17′ 5" 8′ 8"
2 m 144.000 N/A 1′ 1" 3′ 3" 4′ 4" 6′ 6" 3′ 3"
148.000 N/A 1′ 1" 3′ 3" 3′ 3" 6′ 6" 3′ 3"
NOTE:
  • 5/8 λ must have some kind of matching device on the antenna like a gamma match, or a tuning coil. A length cut to 5/8 wavelength alone will not work at the desired frequency. It would become a 1/2 wave at a lower frequency, and mismatch.
  • 1/2 λ (Inv. V) with 90 degree angle is 99% the length of 1/2 λ dipole.