5mm

Half a centimeter

5mm is an abbreviation for five millimeters, a unit of measurement equal to about one-fifth of an inch.

It appears frequently in specifications for small objects—beads, drill bits, film formats, ammunition: 5mm pearls, 5mm hex key, 5mm audio jack.

measurement

millimeter

Thousandth of a meter

gauge · ruler · scale · dimension · thickness · width · length · tolerance · precision · specification

ammunition

cartridge

Sealed container for supplies

rimfire · pistol · handgun · firearm · magazine · centerfire · ballistics · velocity · grain · casing

scale

tiny

Extremely small in size

fine · delicate · compact · micro · diminutive · narrow · thin · slender · pinhead · bead

Opposites
measurement system

5mminches

Small length units

imperial units · feet · yards · miles

scale/magnitude

5mmmassive

Extremely large and heavy

kilometers · enormous · meters · mile · miles

Familiarity
Top 500,000
Profile
Known to kids · Used worldwide · Timeless · Concrete · Everyday, not technical · Rated G