Such a lightweight app: can convert 'ft + in' to m as well as 'lb + oz' to kg, and vice versa.

 The pure utility app which is available on Google Play can convert feet (ft) and  inches (in) together to meters (m), and vice versa. 

ft + in to m and vice versa

The clean app can also convert pounds (lb) and ounces (oz) together to kilograms (kg), and vice versa.

lb + oz to kg and vice versa

The full-featured version - Smart Unit Converter Pro

https://play.google.com/store/apps/details?id=xadave.SmartUnitConverterPro_Google

The full-free version - Smart Unit Converter Free/Pure

https://play.google.com/store/apps/details?id=xadave.SmartUnitConverterFree_Google

To find the apps, search with key word, SmartUnitConverterPure, on Google Play.

Beautiful Scenery about the Three Gorges

 

Your 5-star ratings for the pure apps available on Google Play will be greatly appreciated. 👏👏👏😄😄😄

https://play.google.com/store/apps/details?id=xadave.SmartUnitConverterFree_Google

https://play.google.com/store/apps/details?id=xadave.SmartUnitConverterPro_Google

Mountain Views - Huashan, China

Your 5-star ratings for the pure apps available on Google Play will be greatly appreciated. 👏👏👏😄😄😄

https://play.google.com/store/apps/details?id=xadave.SmartUnitConverterFree_Google

https://play.google.com/store/apps/details?id=xadave.SmartUnitConverterPro_Google

Mountain Views: North vs South

 

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https://goo.gl/ws42fN

https://play.google.com/store/apps/details?id=xadave.SmartUnitConverterFree_Google

https://goo.gl/vf1rxW

https://play.google.com/store/apps/details?id=xadave.SmartUnitConverterPro_Google

Links into Play Store app: 

market://details?id=xadave.SmartUnitConverterFree_Google

market://details?id=xadave.SmartUnitConverterPro_Google

landscape photos

 

It's like a wonderland.

 

Links into Play Store app: 

market://details?id=xadave.SmartUnitConverterFree_Google

market://details?id=xadave.SmartUnitConverterPro_Google

Download size only 0.11 MB --- a PURE app for Android on Google Play Store

Download size is only 0.11 MB --- a minimalist app for Android which is available on Google Play Store

1. Lightweight enough( download size < 0.12 MB ),

2. Pure enough( not only Ad-Free, but almost NO 'Application Permissions' required at all ),

3. High Precision ( Every conversion result is accurate enough. Check the app screenshots on Google Play, please. )

Links to Google Play web: 

https://play.google.com/store/apps/details?id=xadave.SmartUnitConverterFree_Google

https://play.google.com/store/apps/details?id=xadave.SmartUnitConverterPro_Google

Links into Play Store app: 

market://details?id=xadave.SmartUnitConverterFree_Google

market://details?id=xadave.SmartUnitConverterPro_Google

On Google Play web or Play Store app, search for the keyword 'SmartUnitConverterPro_Google' , 'SmartUnitConverterFree_Google', or 'SmartUnitConverterPure' , you can quickly find these pure apps, Smart Unit Converter Pro or Smart Unit Converter Pure/Free. 😀

Short URLs for these pure apps on Google Play -

https://goo.gl/ws42fN

https://goo.gl/vf1rxW