MAC Address Format
Free MAC Address Format calculator with clear step-by-step results.
About MAC Address Format
Formats a MAC address consistently regardless of input separators.
Formula
Formula
Normalise MAC into colon-separated octets
Worked example
With the default values below, MAC Address Format returns Uppercase Form of A4:5E:60:00:00:01. Change any input above and every figure here is recalculated in your browser.
Inputs used
- MAC address
- a4:5e:60:00:00:01
Results
- Uppercase Form
- A4:5E:60:00:00:01
- Lowercase Form
- a4:5e:60:00:00:01
- OUI (Vendor Prefix)
- A45E60
Step by step
- 1Values used
- 2Formula
- 3Uppercase Form= A4:5E:60:00:00:01
- 4Lowercase Form= a4:5e:60:00:00:01
- 5OUI (Vendor Prefix)= A45E60
Assumptions and limits
- The result is derived only from the single input listed above. Anything not among them is not part of the calculation.
- In particular, this calculator does not take inflation, tax, fees or charges or compounding frequency into account.
How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.
Frequently Asked Questions
How does this calculator work?
Formats a MAC address consistently regardless of input separators.
Why does this matter?
The first 6 hex digits identify the vendor (OUI).