Note: There is a fully featured, ad supported, free version of this app, located here: Decimal to Fraction Converter Calculator Free.

Convert between decimals and fractions, and evaluate mathematical expressions. Calculate the absolute value or round the answer to a selected tolerance value. The tolerance feature is useful for design and fabrication to quickly determine the closest fractional inch to a decimal value, either rounded up, down, or to the closest fraction.

The solution steps to solve for the fraction are shown as well as a visual of the value on a measurement ruler. The result can be converted between various units.

Repeating decimal input, display, and solution steps are now provided.