UNIT CONVERTER

Convert between metric and imperial measurements. Perfect for woodworking projects.

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About This Tool

This unit converter is designed for woodworkers, cabinet makers, and DIY enthusiasts who frequently need to convert between metric and imperial measurements.

Supported Length Conversions

  • Metric: Millimeters (mm), Centimeters (cm), Meters (m)
  • Imperial: Inches (in), Feet (ft), Yards (yd)

Supported Area Conversions

  • Metric: Square millimeters, Square centimeters, Square meters
  • Imperial: Square inches, Square feet

Fractional Inches

When converting to inches, we automatically display the result as a fractional measurement (e.g., 2 1/4") alongside the decimal value. This is helpful for reading tape measures and making accurate cuts.

Frequently Asked Questions

There are exactly 25.4 millimeters in one inch. This is the international standard conversion factor. To convert inches to millimeters, multiply by 25.4. To convert millimeters to inches, divide by 25.4.

First convert the fraction to decimal, then multiply by 25.4. For example, 2 1/2" = 2.5" × 25.4 = 63.5 mm. Common fractions: 1/4" = 6.35 mm, 1/2" = 12.7 mm, 3/4" = 19.05 mm. Our converter handles fractions automatically.

Tape measures typically show fractions in 1/16" increments. The longest marks are inches, then 1/2", then 1/4", then 1/8", and the shortest are 1/16". Common woodworking measurements include 1/4", 3/8", 1/2", 5/8", and 3/4". Our converter displays results in the nearest 1/16".

Need to Optimize Your Cuts?

Our nesting optimizer calculates the most efficient way to cut your parts from sheet materials, minimizing waste and saving you money.

Try the Nesting Optimizer