Inches to Millimeters

Convert inches to millimeters for precision engineering, woodworking, and machining. Multiply inches by 25.4 to get millimeters. A 2-inch pipe has a diameter of 50.8 mm.

25.4

Formula

mm = inches × 25.4

Quick Examples

How to Use Inches to Millimeters

  1. 1Enter inches
  2. 2View millimeters
  3. 3Swap direction
  4. 4Copy result

About Inches to Millimeters

Convert inches to millimeters for precision engineering, woodworking, and machining. Multiply inches by 25.4 to get millimeters. A 2-inch pipe has a diameter of 50.8 mm.

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Frequently Asked Questions

What is 1 inch in mm?

1 inch = exactly 25.4 mm.

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inches to mminches to millimetersinch mm converterin to mmconvert inches to mm

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