Shop measurement converter
Decimal to Fraction Calculator
Convert a decimal inch measurement to the nearest common fraction, from halves through sixty-fourths.
Nearest shop fraction23 7/16 in
Rounded to the nearest 1/16 inch.
Transparent calculation
What the calculator returns
A reduced mixed-number fraction at the selected precision.
The formularound[fractional inch × denominator] ÷ denominator
Method and limits
The converter rounds the fractional portion to the selected denominator, carries a result equal to one into the whole number, and reduces the fraction. For example, 23.4375 inches is exactly 23 7/16 inches.
Choose a precision your measuring and machining process can actually hold. More digits do not make the stock, setup, or marking method more accurate.