Inches to millimeters

1/4" = 6.35 mm

Inches

in

Millimeters

6.35

mm

Fraction

1/4"

Feet & inches

0.25"

Formula

0.25 × 25.4

Tip: click or drag on the ruler to set the value.

How to convert

Multiply the inch value by 25.4 to get millimeters.

0.25 in × 25.4 = 6.35 mm

Quick facts

Millimeters6.35 mm
Centimeters0.635 cm
Meters0.00635 m
As fraction1/4"

Nearby values

All inches → mm →

1/16"1/8"3/16"3/16"3/8"3/8"7/16"1/2"