Unit Conversion
Inches to Millimeters Converter
Convert inches to millimeters with workshop-grade precision.
Inputs
Result
Result
25.4mm
Formula
mm = inches × 25.4
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Formula
mm = inches × 25.4
Worked example
2 in × 25.4 = 50.8 mm
FAQ
+Is 1 inch exactly 25.4 mm?
Yes, by international definition.
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