Optical Fiber Loss Budget Calculator by Beyondtech

Optical Loss Budget Calculator: Designed by Beyondtech™

Use the measurements obtained with your optical equipment to calculate Insertion Loss (IL) and Return Loss (RL).

Enter the power in milliwatts (mW) in the corresponding fields and click "Calculate".

Step 1 - Distance and Attenuation

Cable Distance

Distance Unit

Attenuation per Unit Length (dB/Unit)
Step 2 - Connector Losses

Loss per Connector Pair (dB)

Number of Connector Pairs
Step 3 - Splice Losses

Splice Loss (dB)

Number of Splices
Step 4 - Other Component Losses

Optical Switch Loss (dB)

Optical Splitter Loss (dB)

Other Component Loss (dB)
Step 5 - Electronic Equipment Specifications

Transmitter Output Power (dBm)

Receiver Sensitivity (dBm)
Step 6 - Power Penalties

Power Penalties (dB)

Repair Margin (dB)

Disclaimer: Beyondtech is not responsible for the calculations made with this tool. Results are estimates and should be verified. Use this calculator with caution.