RationalCalc Free is a unit-aware project calculator for calculating length with automatic unit conversions.

Features rounding up or down to common fractions, such as 1/4, 1/8 and 1/16.

NEW: Added Foot/Inch mode. To activate Foot/Inch mode, touch Settings - Display Unit - Foot/Inch.

A Fraction Calculator for Android!

Useful for carpentry, machining, surveying and DIY projects.

!!! Make sure to set the "Display Unit" and "Precision" from the menu to match your situation !!!

Visit rationalcalc.com for more information.

NEW: Source code now available on Github: https://github.com/timothyleerussell/RationalCalc

Comments from users:

@Tyrone - Much handier than you might think at first, especially if for carpentry and machine shop work.
@Chase - App works great for feet and inches calculating :) use it everyday at work
@敦夫 - 分数のインチ変換が出来るのは神
@ERIC - Awesome… Spot on app. Thanks for making it.
@Joseph - Can't believe all the negative comments. This app is accurate and works very well if you know how to use it.