Optical Budget Calculator
Estimate total link loss and check against GPON/XG‑PON limits.
Result
Enter values and click Calculate.
Notes: Typical attenuation used: 1310≈0.35 dB/km, 1490≈0.25 dB/km, 1550≈0.20 dB/km. Connector≈0.3 dB, splice≈0.1 dB. Splitter losses are approximate.