• Inches - Metric Converter Free 1
  • Inches - Metric Converter Free 2
  • Inches - Metric Converter Free 3
  • Inches - Metric Converter Free 4

Inches - Metric Converter Free

This app converts from inches to metric (millimeters) and vice versa and is invaluable to anyone that has to deal with both American (Imperial) and metric tape measures, rulers, wrenches, sockets and drill bits. It supports both fractional (e.g. 5/8) and decimal (e.g. 0.625) inch values and converts them to the nearest tenth of a millimeter. The developer of this app used to work as a handyman and the capabilities provided are well-suited to everyday 'practical use' rather than scientific applications. The app provides four distinct 'pages' each with a distinct capability:
Page 1: Fractional inches to millimeters conversion, and vice versa, with easy input of numeric values using iPhone-style 'spinner' dials.

Page 2: Decimal inches to millimeters conversion, and vice versa, using an ultra-simple calculator-style user interface.

Page 3: Provides a table showing the nearest common millimeter values to any fraction of an inch from 1/32" to 1"; this is very useful when you have an American (Imperial) bolt to turn, or hole to drill, but you only have metric wrenches and drill bits.

Page 4: Provides a table showing the nearest common fractional inch values to any metric value from 0.5 to 25 millimeters; this is very useful when you have a metric bolt to turn, or hole to drill, but you only have American (Imperial) wrenches and drill bits.

Category : Tools

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Reviews (29)

Pet. B. Jun 8, 2020     

Great ideal but the swiping to change the numbers makes it very very annoying. Please change or add the ability manually enter numbers. You pick a number then go to change screens and you change the number and have to start again. Too frustrating for me to use as it is. Will happyly give more stars if it is changed.

Qai. A. Jan 16, 2021     

Awesome few suggestions 1: when I switch to other screen it testes the first screen where I selected the fraction 2: it should remember last input it always resets to 3 inches and 3/8. 3: add a ruler for mm to inches along with soom zoom options. 4: add 64th of inches as well though current are good for me.

Art. G. Jan 1, 2020     

Well thought out app, but the practice of swiping up and down or side to side to input your values gets really frustrating... the app would be improved by just inputing the digits manually.

Ant. P. Jul 26, 2020     

Nice and simple. Like the dark screen. But needed smaller fractional input. (1/16 and smaller. )

Moi. Dec 8, 2020     

It has a maximum denominator of 32, so if you need to convert from 25/64 inches, you can't do it. Why the unnecessary limitation??

Ant. K. Sep 13, 2018     

thank you! it is exactly what I was searching for. Just please add keyboard for acceleration of input.

Win. M. Aug 7, 2020     

Ill pay money for a galaxy watch version, and once its on watch with dial, swiping to change fraction will make a lot more sense

Hai. J. Apr 18, 2020     

Always defaults to 3 5/8", even when you change screens. Annoying, removed.

han. j. Nov 12, 2019     

I was seeking from saveral days that anybody could tell me the chart some peoples guided but i was still zero using this app i really satisfied thanks to develper

Ian. L. Oct 14, 2019     

Would be even better if it went to 64ths... but great app :)

Dus. B. May 18, 2020     

Awesome...easy to use...love the red number display on black background

Ry. C. Nov 18, 2021     

Automatically rounds the number up to one decimal place.

Pap. S. Oct 30, 2020     

Uninstalled quick quick. Leaves default numbers...need to clear before using Nope

A. G. u. Nov 15, 2018     

Just loaded, does what I need it to. Wish the fractions went to 64ths

Ray. Sep 18, 2020     

Needs more decimal places such as .140 to mm or 0.64mm to inch

hel. c. Nov 11, 2019     

Great app, use it all the time in work

Rob. B. May 31, 2021     

Good app. Easy to use. Does what it says.

dav. m. Aug 4, 2019     

it works, once you learn how to use it.

vin. P. Jun 24, 2019     

very nice app and very useful

A. G. u. Nov 18, 2018     

Excellent for my field of work as electrician

Joy. K. Dec 28, 2020     

Inch fraction convertor superb

How. D. Sep 10, 2020     

Haven't used it yet.

gus. D. 2. Feb 8, 2021     

Awsome thanks much

A. G. u. May 18, 2019     

Great app, well thought out and very handy to have in my home machine shop, especially as the decimal equivalent goes down to microns which is a huge help when trying to stay within a tight tolerance margin. The only thing missing from the app is x/64". As a metric machinist, I work in tenths and hundredths of a mm, so having 64ths would be a major benefit.

A. G. u. May 11, 2017     

Excellent. I was raised on metric, but have a liking for old machinery built with imperial measures. This app makes converting to imperial fractional measurements easy.

D. G. Jan 19, 2018     

Scrolling for numbers is a pain, numbers reset every time the screen changes. However it does give fractional inches, when most other apps only give decimals.

Ute. Aug 27, 2017     

Gave you 5 stars because it did exactly what I wanted it to do. The layout is perfect, and cleverly done. The only thing is no x/64th in the inch measurement. For example, i needed a conversation of 5/64, but it wasn't available on the spin table. Admittedly, in another "tab"(?) it was visible (3/32 and 3/32) on a conversion table, so not worthy of losing a star over.

bri. m. Sep 29, 2016     

Dose exactly what I want. Pity this sort of thing was not around 20/30 years ago

Sy. M. Apr 6, 2017     

Very handy. Would like a colour scheme changer and maybe the ability to tap on (and edit) the decimal reading on the fraction screen.