MTU and MSS Calculator

Use MTU and MSS Calculator online for practical networking tasks. Fast, free, and runs directly in your browser.

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Preset overhead (dapat dipilih lebih dari satu)

Hasil MTU dan MSS

Rincian overhead

Rumus dan catatan

Effective MTU = Base MTU − total overhead. Untuk TCP, MSS = Effective MTU − header IP − 20 byte TCP. Header IPv4 standar 20 byte, IPv6 40 byte, dan UDP 8 byte.

Preset adalah asumsi umum. Opsi tunnel, extension header, enkripsi, padding, dan vendor dapat mengubah overhead aktual; verifikasi dengan PMTUD atau ping DF.

How it works and how to use it

MTU and MSS Calculator is a free browser-based utility for networking tasks. Enter your data, review the result, and use the available copy or download options where supported.

Processing is performed directly in your browser whenever the tool supports local processing.

Frequently asked questions

Yes. This tool can be used for free without creating an account.

Browser-based processing is performed on your device whenever the tool supports local processing. Avoid entering sensitive data into any online service.

Review the displayed input assumptions and compare important results with the requirements of your project, institution, or applicable standard.

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