Cable Loss Calculator

Enter the run length and the per-foot loss from the cable's datasheet. Results update as you type. The length and loss values shown are an example to start from.

Inputs

Length ft

Loss per Foot dB/ft

Total Connector Loss dB

Manufacturing Tolerance multiplier

Mismatch Loss dB

Tolerance of 1.0 means the datasheet value as printed. Use 1.05 to add 5% margin.

Results

Cable Loss

0.000dB

Total Calculated Loss

0.000dB

Cable Connectors Mismatch

Formulas

Cable Loss = Tolerance × Loss per Foot × Length Total Calculated Loss = Cable Loss + Total Connector Loss + Mismatch Loss