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Fiber Optic Power Budget Calculator

Free – no sign-upRuns in your browser

Compute fiber link loss, receive level, remaining margin and maximum distance for SFP / optical links – with overload warning.

Open the tool → See all tools

Check whether an optical module fits a fiber route before installing it.

What it does

Fiber attenuation for 1310 / 1550 / 850 nm or custom dB/km
Connector and splice losses with safety margin
Remaining margin and maximum reachable distance
Receiver overload warning with suggested attenuator

How it works

1. Load your dataOptical parameters – drag & drop anywhere on the page; the file type is detected automatically.

2. Review the findingsEvery error and warning is clickable and jumps to the exact row, line or parameter, with a proposed fix.

3. Export & shareExcel, PDF and other exports; run history and before / after comparison are kept on your computer.

FAQ

Is my data uploaded to a server?

No. Files are processed in your browser (or by the optional helper app on your own computer). Nothing is stored on our servers.

Do I need to install anything?

No – it is a web app. You can optionally install it as a desktop app from the browser. A small helper app is only needed for tools that must reach your network (ping, port check, auto login).

Is it really free?

Yes – this tool is free to use without an account.

Fiber Optic Power Budget Calculator

What it does

How it works

FAQ

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