Fraction Inches to Decimal Inches Calculator

Last updated: Conversion Calculators

Convert Fractional Inches to Decimals

About This Calculator

The Fraction Inches to Decimal Inches Calculator converts inch fractions like 3/4 or 1 1/2 into decimal inches. It’s useful for woodworking, drafting, machining, and any field using imperial measurements.

How It Works

  1. Enter a fraction such as 3/8 or a mixed number like 2 1/4
  2. The tool parses the input and converts it to a decimal
  3. The result is displayed as a decimal inch value
You can input integers, simple fractions, or mixed numbers with or without spaces.

Frequently Asked Questions

What types of input are supported?

The calculator accepts integers (e.g., 2), fractions (e.g., 3/8), and mixed numbers (e.g., 1 1/2).

Is the result rounded?

The displayed result is rounded to 2 decimal places, with full precision kept internally.

Can I omit the space in mixed numbers?

Yes, both “1 1/2” and “1½” or even “1+1/2” styles are parsed if properly formatted.