Inches to millimeters

1 1/4" = 31.75 mm

Inches

in

Millimeters

31.75

mm

Fraction

1 1/4"

Feet & inches

1.25"

Formula

1.25 × 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.

1.25 in × 25.4 = 31.75 mm

Quick facts

Millimeters31.75 mm
Centimeters3.175 cm
Meters0.03175 m
As fraction1 1/4"

Nearby values

All inches → mm →

15/16"1"1 1/8"1 3/16"1 5/16"1 3/8"1 3/8"1 1/2"