Inches to Fraction Calculator

Convert a decimal inch to the nearest fraction.

Nearest fraction 2 5/16

Formula: round to the nearest 1/16 inch

Step-by-step with your numbers:

1. Values used:

2. Decimal inches = 2.31

4. Nearest fraction = 2 5/16

Did we solve your problem today?

Convert a decimal measurement to the nearest sixteenth of an inch.

The math behind it

Round the fractional part to the nearest 1/16, then simplify the fraction.

2.31 in → 2 5/16 in.

Finer than 1/16?

This rounds to 1/16; tape measures rarely go finer.