Inches to Millimeters Converter

Convert between inches and millimeters with high precision

Conversion Information

Conversion Factors

  • • 1 inch = 25.4 millimeters
  • • 1 millimeter = 0.03937007874015748 inches
  • • Precision: 6 decimal places

Common Conversions

  • • 1 inch = 25.4 mm (exact)
  • • 0.5 inch = 12.7 mm
  • • 2 inches = 50.8 mm
  • • 12 inches = 304.8 mm

Examples

Inches to Millimeters

  • • 1 inch → 25.4 mm
  • • 0.5 inch → 12.7 mm
  • • 2 inches → 50.8 mm
  • • 12 inches → 304.8 mm

Millimeters to Inches

  • • 25.4 mm → 1.0 inch
  • • 12.7 mm → 0.5 inch
  • • 50.8 mm → 2.0 inches
  • • 304.8 mm → 12.0 inches