InchMetric is an easy to use Inch to Millimeter converter and vice versa.

The input method is extremely fast and requires only a minimum of keystrokes. To convert 12 3/8 Inches to millimeters, just type [1] [2] [Inch] [3] [1/8].

The result is computed immediately after every keystroke.

The result accuracy can be set to your needs from 1/2 inches to 1/128 inches and from 1mm to 0.001mm.

What’s New

Version 1.1

iPhone X support
New design
Bug fixes

Ratings and Reviews

5.0 out of 5
3 Ratings

3 Ratings

Fixthedarnthing ,

Just what’s needed

I had been looking for a quick and simple inch/metric converter for woodworking. Came across this one and by far it’s the easiest, simplest app you can find out there. To quote Steve Jobs “it just works” Thank you to the developer for making this.

Developer Response ,

Thank you!

longhome ,

Simple Elegance

This app makes it so easy to get quick inch to millimeter and millimeter to inch conversions when that is all you need. Nothing else to clutter up the interface. Brilliantly simple.

DarrenFrank ,

Simple and perfect.

Exactly what I need as a woodworker for quick conversions.

App Privacy

The developer, Mario Zimmermann, indicated that the app’s privacy practices may include handling of data as described below.

Data Not Collected

The developer does not collect any data from this app.

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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