To the need to convert the length of the user, regardless of commodity inventory of:
- Metric units conversion: km/m/cm/mm/um
- Inch units conversion: mi/ft/in
nautical mile (N.M.)(nmi), and yard.

And provides three operations, easy to use on the operation.
If you have a better idea, please leave a message or at Google Play to Star scoring can also send e-mail to us.

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How To Use:
Press "+" "-" "x", then equal (=) operation can be carried out
Press the "←": You can delete the last digit number
Long Press "←": You can clear all numbers (zero)
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