A fractional inches calculator for sewers, patternmakers, and fashion designers to help you do fractional math. It allows basic math operations on fractions set in halves, quarters, eighths, and sixteenths.

To type in a fraction, tap the "x/y" button. Then press on any of the 0-9 digits, which will fill in the numerator. Lastly, pick a denominators from the ones displayed on the rightmost column.