Inches → MM

5 inches to mm

5 inches equals 127 millimeters.

Millimeters

127 mm

Centimeters

12.7 cm

Meters

0.127 m

Feet

0.4167 ft

Inches (in)

Millimeters (mm)

127

1 in = 25.4 mm · tolerance ±0.0001

Nearby values

5.125″4.75″5.25″4.72″4.5″5.5″4.25″5.75″4.125″4″

Precision

Inches

127.0 mm · max 200

Ref · 25.4 mm/in

Drag to set

Formula

mm = inches × 25.4
mm = 5 × 25.4 = 127

Why 5 in = 127 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.