Inches → MM

1.125 inches to mm

1.125 inches equals 28.575 millimeters.

Millimeters

28.575 mm

Centimeters

2.8575 cm

Meters

0.028575 m

Feet

0.0938 ft

Inches (in)

Millimeters (mm)

28.575

1 in = 25.4 mm · tolerance ±0.0001

Nearby values

1.1″1.18″1.2″1″1.25″1.26″0.98″1.27″1.3″0.94″

Precision

1.1252

Inches

28.6 mm · max 100

Ref · 25.4 mm/in

Drag to set

Formula

mm = inches × 25.4
mm = 1.125 × 25.4 = 28.575

Why 1.125 in = 28.575 mm

The international inch is defined as exactly 25.4 mm, so any inches-to-mm conversion is a clean multiplication with no rounding required at this precision.