Types of Coax Cable and Line Loss Calculator

 Belden 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) Belden 9913F7    Belden 7810A    Belden 7808A    Davis RF Davis RF Bury-Flex Times Microwave Systems TMS LMR-100A TMS LMR-200 TMS LMR-240 TMS LMR-400 TMS LMR-600 TMS LMR-900 Wireman (coax) Wireman CQ102    (RG-8) Wireman CQ106    (RG-8) Wireman CQ125    (RG-58) Wireman CQ127    (RG-58C) Wireman CQ110    (RG-213) Radio Shack Tandy Cable RG-8X Tandy Cable RG-58 Tandy Cable RG-59 Andrew Andrew Heliax LDF4-50A Andrew Heliax LDF5-50A Andrew Heliax LDF6-50A Wireman (ladder line) 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) Miscellaneous Generic 300 ohm Tubular Generic 450 ohm Window Generic 600 ohm Open Ideal (lossless) 50 ohm Ideal (lossless) 75 ohm The "wet" numbers represent worst case for lines covered with ice or snow.

Here's a quick line loss calculator to use  Note that the simple program used for this web page gives a very close approximation for additional losses due to SWR.
Set Parameters as Desired
Line Type:
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

Online Coax Cable Loss / Antenna Gain Calculator

Enter dB Loss Of Cable Per 100 Ft. At The Desired Operating Frequency

Enter Length of Cable in Feet

Enter Power into Cable in Watts

Enter Gain of Antenna in dBd

This program is provided "as-is". It is thought to be accurate but it is the responsibility of the user to verify the accuracy of the calculations when using this program.