Inches to Millimetres

Convert a length in inches to millimetres for patterns and hardware.

Tool Operation Area

Convert a length in inches to millimetres for patterns and hardware.

Worked Example

Length: 1 in.

Result: 25.4 mm.

How It Works

  • Inches × 25.4.
Inches × 25.4.
Schematic diagram of the calculation.

How to Use

  1. 1Enter length in in.
  2. 2Select Calculate to see the result.

FAQ

Is this an exact workshop measurement?

The result follows the formula shown above. Check measurements and allow for real-world variation.

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