MTU / MSS

Calculate MTU / MSS instantly with the exact formula and a worked example.

MTU / MSS

MTU
MSS
1,460
MSS = MTU − 40 (IP+TCP)Calculate MTU / MSS instantly with the exact formula and a worked example.

More about: MTU / MSS

What it calculates

The “MTU / MSS” calculator computes MSS from 1 parameter: mtu.

Standard IT calculations for developers and sysadmins.

Example calculation

With parameters MTU = 1,500 the result is 1,460 (MSS = MTU − 40 (IP+TCP)).

How to use

  1. Enter mtu — each field above is adjustable with a slider.
  2. MSS is calculated automatically as you type.
  3. Check the worked example below to see the formula applied to real numbers.
  4. Copy the result or bookmark this calculator.

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FAQ

How is MTU / MSS calculated?
The MTU / MSS calculator computes MSS from mtu. Enter your values above and the exact formula is applied instantly; a worked example with real numbers is shown below.
Is the MTU / MSS calculator free?
Yes. It is completely free, needs no signup, runs entirely in your browser, and sends no data to any server.

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