Inches to Fraction Calculator — Decimal inches to fractional inches

Inches to Fraction Calculator

Convert any decimal inch measurement to a fractional inch instantly. Get mixed fraction, mm equivalent, simplified form, and visual representation. Perfect for woodworking, machining, and DIY projects.

Step 1: Enter Decimal Inches

How to convert decimal to fraction

Formula: (decimal × denominator) / denominator, then simplify.
Example: 2.75 with denominator 4 → 0.75×4 = 3/4 → 2 3/4 inches

Step 2: Fraction Options

Quick Reference

0.5 = 1/2  |  0.25 = 1/4  |  0.125 = 1/8
0.0625 = 1/16  |  0.375 = 3/8  |  0.75 = 3/4

Conversion Results

Result Summary
Common Conversions
Step-by-Step

Fractional inches (mixed number)

2 3/4
Decimal: 2.75 in
Decimal
2.75
Millimeters
69.85 mm
Simplified fraction
11/4
Fraction (nearest 1/16)
2 12/16

Common Decimal Inches to Fractions

Decimal (in) Fraction (1/16) Simplified mm

Step-by-Step Solution

1. Separate whole number 2 and fractional part 0.75

2. 0.75 × 16 = 12 → 12/16

3. Simplified: 12/16 = 3/4 → result 2 3/4

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