This Coax Loss Calculator covers most of the coax types available for Ham and Commercial use. It calculates the direct loss of the coax itself, and, if an SWR value is entered, will calculate the additional loss in the cable due to SWR.
Choose Parameters
Line Type:
Belden 8215 (RG-6A)
Belden 8237 (RG-8)
Belden 9913 (RG-8)
Belden 9258 (RG-8X)
Belden 8213 (RG-11)
Belden 8261 (RG-11A)
Belden 8240 (RG-58)
Belden 9201 (RG-58)
Belden 8219 (RG-58A)
Belden 8259 (RG-58C)
Belden 8212 (RG-59)
Belden 8263 (RG-59B)
Belden 9269 (RG-62A)
Belden 83241 (RG-141A)
Belden 8216 (RG-174)
Belden 8267 (RG-213)
Davis RF Bury-Flex
TMS LMR-100A
TMS LMR-200
TMS LMR-240
TMS LMR-400
TMS LMR-600
TMS LMR-900
Wireman CQ102 (RG-8)
Wireman CQ106 (RG-8)
Wireman CQ125 (RG-58)
Wireman CQ127 (RG-58C)
Wireman CQ110 (RG-213)
Tandy Cable RG-8X
Tandy Cable RG-58
Tandy Cable RG-59
Andrew Heliax LDF4-50A
Andrew Heliax LDF5-50A
Andrew Heliax LDF6-50A
Wireman 551 Ladder Line
Wireman 552 Ladder Line
Wireman 553 Ladder Line
Wireman 554 Ladder Line
Wireman 551 (wet)
Wireman 552 (wet)
Wireman 553 (wet)
Wireman 554 (wet)
Generic 300 ohm Tubular
Generic 450 ohm Window
Generic 600 ohm Open
Ideal (lossless) 50 ohm
Ideal (lossless) 75 ohm
Line Length:
Feet
Meters
Frequency:
MHz
Load SWR:
:
1
Power In:
W
Results
Matched Loss:
dB
SWR Loss:
dB
Total Loss:
dB
Power Out:
W
